F: Have you handed in your papers, John? ,M: Sorry, Mrs Smith. I haven't finished them yet. ,F: But you must have handed them in by last Friday. And now it's Monday.
(A) M: Yes, I can help you type your papers since I have already finished my papers. (B) M: I didn’t hear you. Please could you tell me again? (C) M: I know I should hand in my papers by last Sunday, but I haven't finished them yet. (D) M: Thank you for reminding me. I will hand in my papers as soon as I finish them.
D