W: Tell me, Jack. Do you look through the Web much? M: Well, to tell the truth, I'm so busy with my work. I don't really have much time to surf the Web. Let me think...I suppose I log on a couple of times a week, for about two or three hours at a time. W: So, what do you do on the Internet when you log on? M: Well, sometimes I look up information I need for my job. It saves a lot of time looking through books in the library. W: Yes, it sure does., Question: What are the two speakers mainly talking about? (A) When they surf the Web. (B) What they do on the Internet. (C) How they look up information online.
(B) What they do on the Internet.