Definition: In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.
Input: F: Excuse me, could you tell me where physics 403 is? Has it been moved? ,M: OK. Let me check on the computer. Err I'm sorry, but it says here that the class was cancelled. You should have got a notice letter about this. ,F: What? I never got it. ,M: Are you sure? It says on the computer that the letter was sent out to the students a week ago. ,F: Really? I should have got it by now. I wonder if I threw it away with all the junk mail by mistake.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: Well, the notice letter has been sent out a fortnight ago. You'd better check again. (C) M: Do you know that the letter has been sent out a week ago? Why don't you check again? (D) M: Do you know that the letter has been sent out a week ago? Physics was change to another classroom.

C