M: Are we leaving on Saturday or Sunday? ,F: We are leaving on Saturday. The plane leaves at midnight, so we're flying over night. ,M: Oh, really? I'm not sure I can sleep on the plane. It makes me nervous.
(A) F: It's amazing. You really get tired on the train. (B) F: You get nervous sitting on the train, don't you? (C) F: I didn’t hear you. Please could you tell me again? (D) F: I can see you're really nervous about flying.
D