F: How many pages do you expect us to write for this paper, sir? ,M: No less than 10 pages. ,F: When should we hand it in? ,M: Before December fifteenth.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: OK, thank you, professor. As your student, I will hand it in before January 15th. (C) F: Since you're a policeman and I'm a driver, why should I hand in a paper before January 15th? (D) F: Since you're a salesman and I'm a customer, why should I hand in a paper before January 15th?
A