单项选择题
Questions 6 to 10 are based on an interview. At the end of the interview you will be given 15 seconds to answer each of the following five questions. Now listen to the interview.
Employees in the US are paid for their time. This means that they are supposed to（）
A．work hard while their boss is around.
B．come to work when there is work to be done.
C．work with initiative and willingness.
D．work through their lunch break.