F: Oh, I wanted to look out of the window to see all the places we flew over. Why didn't you wake me up? ,M: You look very tired, so I didn't want to.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: Oh, yes, I always sleepy on the train, (C) F: Oh, I was very tired. So you failed to wake up me. (D) F: You have been enjoying the scenery! Yes, I have been enjoying the scenery, too.
C