M: Would you please drop this book off at the library for me when you go to school? ,F: I would if I were going, but I have to work today.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Thank you for willing to help me return the books, you are a life saver! (C) M: You are having classes for the entire day so you won't go to the library? Me too. (D) M: Never mind, when are you going to the library since you are not going today?
D