F: Frank, do you hear that strange noise? ,M: Yes, I noticed it a while ago. It seems to be coming from the engine. ,F: What should we do? ,M: I don't know. Perhaps we should slow down and stop at the next parking lot to see what the matter is. ,F: OK. Let's do that. ,M: Oh, it is red hot! We have run out of water. ,F: How is the engine itself? Is it OK? ,M: I think it's alright. Let's wait till it cools down a bit and then add some water.
(A) F: OK. We can wait and add some water. I hope it works. (B) F: Of course. Let us wait and add some water to the pot. (C) F: Sure. We will wait for a while and then add some oil to the pot. (D) F: Excuse me, could you repeat the question?
A