听力原文：W: Excuse me. Could I ask you some questions？M: Of course.W: I work for an advert

听力原文：W: Excuse me. Could I ask you some questions？

M: Of course.

W: I work for an advertising agency and I'm doing some research. It's for a new magazine for people like you.

M: People like me？ What do you mean？

W: People between 25 and 35 years old.

M: Ok.

W: Right. Urn, what do you do at the weekend？

M: Well, on Fridays, my wife always goes to her exercise class. Then, she visits friends.

W: Don't you go out？

M: Not on Fridays. I never go out on Fridays. I stay at home and watch television.

W: And on Saturdays？

M: On Saturdays my wife and I always go sailing together.

W: Really？

M: Mm, we love it. We never miss it. And then, in the evening, we go out.

W: Where to？

M: Different places. We sometimes go and see friends. We sometimes go to the cinema or restaurants. But we always go out on Saturday evenings.

W: I see. And now Sunday. What happens on Sundays？

M: Nothing special. We often go for a walk. And I always cook a big Sunday lunch.

W: Oh. How often do you do the cooking？

M: Urn, twice a week.., three times a week...

W: Thank you very much. All I need now are your personal details, your name, job and so on. What's your surname？

M: Robinson.

What is the main purpose of the research？

A．To make preparations for a new publication.

B．To learn how couples spend their weekends.

C．To know how housework is shared.

D．To investigate what people do at the weekend.