【答案】B【解析】社交性寒暄。What's new?/ What's up?“你在忙些什么?”回答是Not much. / Nothing in particular. / Nothing special.“不忙什么”。How are you (are they/is she /is he) getting along? (近来如何?)包括事业、健康状况等等!还有两个特别地道的问候是What's going on? 和What are you up to? 都表示“你在忙些什么?”,在美国电影中常听到。