F: Have you seen our waiter? ,M: Sure, he comes now! ,F: We've been sitting here for almost 10 minutes. ,M: Whoops! I guess I was wrong. That isn't our waiter. ,F: We can give him 5 more minutes and then leave.
(A) M: I'm sorry that we have waited for the manager for almost 20 minutes. (B) M: There's no need to stand it. We should order without our friends. The waiter has been here for several times. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: Uh, maybe we need to wait the waiter a little longer.
D