F: The problems are too hard to handle, would you please give me some advice? ,M: There are many ways to deal with them, but the most important is to have a careful plan.
(A) F: Unexpectedly, the problems are also too hard for you. You can't find a way to deal with them. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: Thank you so much for dealing with all the problems, though they are easy to handle. (D) F: I don't need to make a good plan because the problems have been handled.
B