F: I've almost finished typing my homework paper. But I'm afraid there must be some mistakes. ,M: Can you tell me when it's ready? Maybe I can review it for you.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: Thank you for helping me finish my thesis, it's so nice of you. (C) F: Thank you for checking my exam paper before I hand it in. (D) F: Thank you! It's so nice of you to help me check my paper.
D