[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Income Income may be national income personal income. Whereas national income is defined as the total earned income of all the factors of production--namely, profits, interest, rent, wages, other corn pensation for labor, personal income may be defined as total money income received by individuals before personal taxes are paid. National income does not equal GNP (Gross National Product)because the actors of production do not receive payment for either capital consumption allowances or indirect business taxes, both of which are included in GNP. The money put aside for capital consumption is for replacement thus is not counted as income. Indirect taxes include sales taxes property taxes excise taxes that are paid by businesses directly to the government so reduce the income left to pay for the factors of production. Three-fourths of national income goes for wages, salaries, other forms of compensation to employees. Whereas national income shows the income that the factors of production earn personal income measures the income that individuals or households receive. Corporation profits are included in national income because they are earned. Out of these profits, however, corporation profit taxes must be paid to the government, some money must be put into the business for expansion. Only that part of profits distributed as dividends goes to the individual there fore out of corporation profits only dividends as personal income. The factors of production earn money for social security unemployment insurance contributions, but this money goes to government(which is not a factor of production), not to individuals. It is therefore part of national income but not part of personal income. On the other hmoney received by individuals when they collect social security or unemployment compensation is not money earned but money received. Interest received on government bonds is also in this category, because much of the money received from the sale of bonds went to pay for war production that production no longer furnishes a service to the economy. The money people receive as personal income may be either spent or saved. However not all spending is completely voluntary. A significant portion of our income goes to pay personal taxes. Most workers never receive the money they pay in persona] taxes, because it is withheld from their paychecks. The money that individuals are left with after they have met their tax obligations is disposable personal income. Disposable income can be divided between personal consumption expenditures personal savings. It is important to remember that personal saving is what is left after spending.11.This passage is mainly about （ ） 查看材料A.the difference between nationa GNP
Bthe difference between national income personal income
Cthe concept of income
Dthe difference between disposable income nondisposahle in-come
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[解析]文章主要讲收入的两大分类及其区别。这一点可以从文章的第一句话看出。文章第一段的第一句话常常是文章的论点句。因此A，C和D均不是完整的答案。答案为B
