A、To study for a test. B、To use the telephone. C、To complain about the vending machine. D、To get a cup of coffee from the vendin

Man: Would yon like a cup of coffee?
Woman: Yes. That would be good.
Man: Cream and sugar?
Woman: Please.
Man: Oh. no.
Woman: What’s the matter?
Man: This machine is out of order.
Woman: Did you lose your money?
Man: I sure did.
Woman: You ought to complain. These machines are always out of order.
Man: Well. I still want a cup of coffee, don’t you?
Woman: Let’s go to the restaurant at the Student Center.
Man: I don’t know. The last time I was there it was so crowded that I had to wait in line for almost an hour.
Woman: Really? Let’s go somewhere else then. I can’t be too long because I have a test at thee o’clock.
Man: Okay. let’s go to the library. There’s another vending machine downstairs by the telephones.
6. Why did the couple decide to go to the library?