Employees ill the US are paid for their time. This means that they are supposed to______.A

Employees ill 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

请帮忙给出正确答案和分析，谢谢！