F: Excuse me, could you tell me how to get to the post office? ,M: Sorry, I'm a stranger here. Why don't you ask that policemen over there?
(A) F: Okay, I'll follow your instructions. You are a visitor, right? I'm so surprised that you know this place well. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Thanks, I'll follow your instructions. I always show my respect for policemen like you. (D) F: Thanks for showing me the direction. You're so kind as a postman.
B