F: I will drive to the meeting hall. Will you go with me? ,M: Thank you. But I have to finish my paper. I'll walk to the underground station and go there by underground.
(A) F: OK, but I need to tell you that it will be tired if you really choose to go the meeting hall on foot. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: OK, and it is indeed convenient to go to the shopping mall by underground. (D) F: OK, and it is indeed convenient to go to the meeting hall by underground.
D