[单选题]第二部分：阅读选择(第11～15题。每题2分，共10分)阅读下面短文。请从短文后所给各题的4个选项(A、B、C、D)中选出1个最佳选项。
A材料题回答11-15题The Operation of International Airlines International airlines have rediscovered the business traveler, the man or woman who regularly jets from country to country as part of the jo
BThis does not necessarily mean that airlines ever abandoned their business travelers. Instead companies like Lufthansa Swissair would right argue that they have always catered best for the executive class passengers. But many airlines could be accused of concentrating too heavily in the recent past on attracting passengers by volume often at the expense of the regular traveler. Too often they have seemed geared for quantity rather than quality. Operating a major airline is essentially a matter of finding the right mix of passengers. The airlines need to fill up the back end of their wide-bodied jets with low fare passengers, without forgetting that the front end should be filled with people who pay substantially more for their tickets.It is no coincidence that the two major airline bankruptcies were among the companies specializing in cheap flights. But low fares require consistently full aircraft to make flights economically viable, in the recent recession the volume of traffic has not grown. Equally the large number of airlines jostling for the available passengers has created a huge excess of capacity. The net result of excess capacity cut-throat competition driving down fares had been to push some airlines into collapse leave many others hovering on the brink. Against this grim background, it is no surprise that airlines are turning increasingly towards the business travelers to improve their rates of return. They have invested much time effort to establish exactly what the executive demands for sitting apart from the tourists. High on the list of or iorities is ounctualitwan executive's time is money. In-flight service is another area where the airlines are jostling for the executive's attention. The free drinks headsets better food are all part of the lure. Another development has been the accent of seating arrangements. Regular travelers have become well versed in the debate about seat pitch--the amount of room between each passenger. first class passengers are now offered sleeperette seats, which, for long journeys make it possible to snatch a proper night's sleep. Sleeper-ettes have proved so popular that they will soon become universal in the front end of most aircraft. The airlines are also trying to improve things on the ground. Executive lounges are commonplace intended to make the inevitable waiting between flights a little more bearable. Luggage handling is being improved. Regrettably, there is little the airlines can do to speed up the boring immigration Customs process, which manages to upset frustrate passengers of all classes in every continent. Although it is the airlines' intention to attract executive passengers from their rivals, the airlines themselves would nonetheless like to change one bad habit of this kind of traveler--the expensive habit of booking a flight then failing to turn up. The practice is particularly widespread in Europe, where businessmen frequently book return journeys home one on several flights.11. According to the passage in operating airlines it is essential to （ ） 查看材料A.keep mind the need of the executives onlyB.satisfy the need of the low fare passengers at the expense of the executives
Ctry to attract as many passengers as possible by reducing fares
Dcater to the need of passengers sitting at both ends of the jets
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[解析]本题的答案可以在文章的第二段里找到。这一段第一句话讲得很清楚，经营一家大的航空公司的关键是找到“the right mix of passengers”，后面一句话更明确地说宽体客机的后部，即一般乘客乘坐的经济舱；和前部，即头等舱和公务舱都要设法坐满。答案为D。
