【正确答案】 C

【答案解析】 [听力原文]
   W: Mr. Smith, this is our agenda for tomorrow's meeting.
   M: Please tell all the department managers to attend.
   Q: What does the man ask the woman to do?
细节题
   题干问男士让女士做什么。通过对话内容可知，男士让女士通知所有部门经理参加会议。故选C。