M: Is it me or is it really hard to understand this speaker? ,F: You're right, it's not that he has an accent like some of the other speakers from another country. It's just that he is speaking too softly. Do you think it would be rude to ask him to turn his microphone up a little bit? ,M: I don't think he's wearing one, either that or he's turned it off. ,F: That's crazy, there must be 400 people here. ,M: This part of the conference has turned into such a waste of time. Maybe we should leave and try to find another lecture.
(A) F: Yes, we shall leave. He has an strong accent. I can barely understand him. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: There are thousands of people, yet he's not used to using microphone? (D) F: I think so. He is  speaking too softly for the 200 people here to understand.
B