契诃夫《苦恼》中，车夫姚纳的苦恼是（）。
A.死了老婆
B.死了儿子
C.贫困
D.被人看不起
E.无人倾听自己诉说痛苦
参考答案：E
—Could you tell me ________?
—He is in his office. [ ]
A. where Nick was
B. where is Nick
C. where was Nick
D. where Nick is
成本分析
