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: M: Concorde college, how can I help you? ,F: Hello, would you put me through to Miss O'Shea? It's Allison Clark calling. ,M: I'm afraid she doesn't seem to be available at the moment, would you like to leave a message? ,F: Yes, please, my name is Allison Clark. I've got an appointment with her at 1:00 tomorrow afternoon. But I'm wondering whether I can change it to 3:00 o'clock. I very much appreciated if she could let me know by noon tomorrow. My mobile number is 07720882704. ,M: Ok, I'll pass your message on to her.
(A) F: Thank you. I'm calling to make an appointment because I haven't made an appointment with Miss O'Shea yet. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Thank you. I'm calling just to change the appointment. (D) F: Since Miss O'Shea is free now, why not take my call? I'm calling to change my appointment.

C