听力原文：M: Good morning. I purchased a computer from your company last month. Unfortunately, I'm not satisfied with my new computer. I'm having a lot of problems.
W: What seems to be the problem？
M: I'm having problems with my Internet connection, as well as repeated crashes when I try to nm my word- processing software.
W: Did you read the instructions that came with the computer？
M: Well, yes. But the trouble-shooting section was no help.
W: What happened exactly？
M: Well, the Internet connection doesn't work. I think the modem is broken. I' d like a replacement.
W: How were you using the computer when you tried to connect to the Internet？
M: I was trying to connect to the Internet! What kind of question is that？!
W: I understand you're upset, sir. I'm just trying to understand the problem. I'm afraid it' s not our policy to replace computers because of glitches,
M: I bought this computer with the software pre-loaded. I haven't touched anything.
W: We're sorry that you've had a problem with this computer. Could you bring in your computer？ I promise you we'll check the settings and get back to you immediately.
M:OK, that will work for me.
Thismanis______.

A. quarreling with the woman
B. finding faults of with the product
C. complaining about the service
D. seeking technical help