M: Hi, my car's been making a strange noise and it seems to be losing power. ,F: OK. I will have a look at it and should be able to tell you what's wrong in about an hour. ,M: An hour? I'm in a bit of a hurry. Do you think you can finish with any sooner?
(A) F: The problem of your car is really serious. I may need a day to fix it since you are not in a hurry. (B) F: I am sorry that I can't finish it sooner. I am afraid you have to take a taxi to go somewhere else. (C) F: I didn’t hear you. Please could you tell me again? (D) F: I may finish it longer than an hour. You can wait for me, right?
B