A、The manager. B、The salesman. C、Mr. Peterson. D、Mary. C本题询问ABC电脑公司的联系人是谁。对话中，男士说完订单号后，紧接着说了联系人是皮特逊先生。可知答案为C项，其中contact man指“联络人

M: Hello, Mary. It’s John. I’ve got something to tell you about the delivery of computers.
W: Oh, yes. How is it coming along?
M: Well, we have problems with the ABC computer company.
W: Really? What kind of problem?
M: They haven’t delivered the order on time.
W: Oh, no. Why not?
M: I don’t know. Could you call them?
W: Yes, of course. What’s the order number?
M: It’s CPU3861. Mr. Peterson is the contact man.
W: All right I will call you back later in the afternoon.
8. Why did John make the call?
9. What was the problem with the ABC computer company?
10. Who was the contact man in the ABC Company?