F: We could have flown to Hangzhou, but I prefer traveling on rail. I like very much to watch the beautiful scenery by the window. ,M: I like traveling by train too. I think it had something to my sense of safety.
(A) F: I agree with you. We will go to England by train. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Yes. We should fly to Hangzhou. It's quicker (D) F: Yes. Let's go to Hangzhou by train. It's safe.
D