M: I have to go to the library to prepare for the upcoming test.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Sure. Let's go the movie theater together. (C) F: You are going to the library? That's too bad. I thought we could do something together. (D) F: Why do you go to the library now? The test was over.
C