题目内容
（请给出正确答案）
[主观题]
The management consultant wanted to fmd out A. how hard the investment banker worke
The management consultant wanted to fmd out
A. how hard the investment banker worked during his work hours
B. when people spent time doing unnecessary work in their office
C. if people needed vacation after working hard for a certain period of time
D. whether Americans were really working harder than they had done before
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