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: When does your flight take off, Mary? ,F: At 3:15 PM. There are just 2 hours left so I'm leaving now.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: I didn't realize it is 1:15 p.m. now. (C) M: It's 2:15 p.m. now. Your flight will take off in two hours. (D) M: It's 3:15 p.m. now. Your flight has taken off, hasn't it?
B

M: I really have to thank Phi for letting me use this office. ,F: Please don't mention Phi. He's off at a Zurich conference and I'm stuck here with a double patient load.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: You have more patients to meet. Hold on for several days and Phi will come back from Paris. (C) M: It seems that there are more patients waiting for you. I'll come later. (D) M: Thank you for sharing your office with me.
C

M: Hello. This is John Smith. ,F: Hello. This is Sara White. Can I speak to Chris Watson, please? ,M: Just a minute, please. Hey, Chris! The phone is for you.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: Oh! John Smith is the person who I am looking for. (C) F: It doesn't matter that Chris Watson is not available. I will see him later. (D) F: I'm Sarah White, but I refuse to speak to Chris.

A