F: Sorry, Mr Thompson. I didn't expect you to arrive so soon. Just a minute. Your room will be ready soon. ,M: That's OK. Just find a desk for me. You see, I have to sit down and finish my papers by noon.
(A) F: I am waiting foryour arrival. (B) F: I am cleaning the room for you. (C) F: Before cleaning the room for you, I will help you find a desk. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
B