A、His surname. B、His first name. C、His address. D、His name and job. A对话最后，女士说她想了解一下男士的一些个人信息，并问男士的姓；男士告诉她之后补充到他只能告诉女士这些。由此可见，男士最

W: Excuse me,(11)I work for an advertising agency and I’m doing some research for a new magazine for people like you, I mean, people between 25 and 35 years old. Could I ask you some questions?
M: Of course, go ahead, please.
W: Well, um, what do you like to do on weekends?
M: Well, on Fridays, my wife always goes to exercise class then visits friends.
W: Don’t you go out?
M: Not on Fridays.(12)I never go out on Fridays. I stay at home and watch television.
W: What about Saturdays?
M: On Saturdays, my wife and I always go sailing together.
W: Really?
M: Yeah, we love it and never miss it. And then in the evening, we go out.
W: Where to?
M: Different places. We sometimes go and see friends, and sometimes go to a movie or a restaurant. We always go out on Saturday evenings.
W: I see. And then Sundays?
M: Nothing special for Sundays. We often go for a walk. I always cook a big Sunday lunch.
W: Oh, how often do you do the cooking?
M: Um, two or three times a week.
W: Thank you very much. All I need now are your personal details: your name, job and so on.(13)What is your surname?
M: Robinson.(13)I’m sorry I can only tell you my name.
11. What is the main purpose of the woman’s research?
12. What does the man do on Fridays?
13. What personal detail does the man give in the end?