A.She has to post a letter instead.B.She has to turn down the mans request.C.Shes not

A．She has to post a letter instead.

B．She has to turn down the man"s request.

C．She"s not sure if the computer is fixed.

D．She can"t send the message right now.

请帮忙给出正确答案和分析，谢谢！