F: I'm sorry for making you wait for so long. Now there is a table available in non smoking section, please follow me.
(A) M: Thank you, teacher. (B) M: Thank you, you are a nice waitress. (C) M: I didn’t hear you. Please could you tell me again? (D) M: Thank you, dear. The waitress will lead us, so you can just wait here now.
B