F: Shall we go now? The driver is waiting for us. ,M: I'm sorry I'll be late. I have to operate on a patient immediately. He's badly injured in an accident.
(A) F: Well, I will wait till you finish the operation. (B) F: Excuse me, could you repeat the question? (C) F: But you have to take your passengers to the destination right now. (D) F: But you have to send the pills to room 503 in five minutes, doctor.
A