Given the task definition and input, reply with output. 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.

M: I have a doctor's appointment this afternoon. Are you going to be in the office or do you have a meeting? ,F: I'll be here. And, don't worry, I don't have much on for today. So I'll handle all of your calls.
(A) M: Thank you, I have to see the doctor this afternoon. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: I have to see the doctor this afternoon, thank you for handling my calls, but you have much on for today, don't you? (D) M: Although you have much on for today, please handle my calls because I have to meet a lawyer this afternoon.
A