【正确答案】
A
【答案解析】[听力原文] 8-10
W: Excuse me. Are you in charge here?
M: Yes, sort of.
W: Then perhaps you can help me. I need to use a computer to type an assignment.
M: Well, are you a student?
W: Yes, I am. First year.
M: Ok. Have you used a computer before?
W: Yes, I've done a bit of word processing.
M: That's good. You can use a computer for 2 hours at a time.
W: Mm. What can I do if something goes wrong with the computer?
M: There's usually someone here from 9 o'clock. You can ask him for help.
8.Why do the student need to use a computer?