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.

F: Service is really slow here. I've been trying to get the waiter's attention for 10 minutes. ,M: I hope he can serve us soon. I'm starving and I have a class at 2 o'clock. ,F: Me, too. I recognize that you were holding an English book. You must be a student at the English language center. ,M: Yeah, I'm in the fourth course. Are you studying there, too? ,F: Yes, I'm in the fifth course. I took the fourth course last month. ,M: I just came here 2 weeks ago. Do you like the institute? ,F: It's pretty good. I think I've learned a lot of English so far. ,M: Yeah, I only wish the classes were a little smaller, because we don't get enough chance to talk. But I like my teachers a lot.
(A) F: You are right. The classes should be a little larger since many people learn Chinese there. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: I agree with you. The classes are too large. We don't have chance to practice in class. (D) F: You are telling the truth. The classes are a bit small. But I have learned a lot of Chinese there.
C