F: May I leave the office early today? I have to pick up my parents at the airport. ,M: But you're supposed to meet Mister Black at 4:00 o'clock, aren't you? Can't you ask someone else to go to the airport?
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Why can't I leave early? I'm going to meet my parents at the railway station. (C) F: So you mean I can't leave early today, right? (D) F: You mean Mr. Black won't come at four o'clock? Then I can pick up my parents at the train station.
C