W: So what do you think you are going to do when you graduate, John? M: I'm not sure. My dad says I should work in information technology. You know something with computers. W: Is that what your dad does? M: Not really. He is an engineer. W: How about you? What are you interested in doing? M: Well. I'm interested in medicine. I'd love to be a doctor. W: Yeah, what subject are you good at? M: Math is my best subject. And I'm also pretty good at science., Question: What might be the relationship between the two speakers? (A) Workmates. (B) Friends. (C) Mother and son.
(B) Friends.