听力原文：W: Here we have a wonderful little three-bedroom house perfect for a young family.
M: Really？ Can you give me a tour？
W: Absolutely, that' s my job. (Sounds of street) Here we are. Ok. We enter into the living room. There's also another entrance from the garage into the kitchen, but this is the main door.
M: Nice. Where are the bathrooms？
W: Just down the hall to your left there. It' s the first door on your right. That is back where the three bedrooms are as well. The master bedroom even has a bath of its own.
M: That' s nice. I'm sure my wife would like that.
W: She would. Now if you' ll come back out into the living room, I can show you the dining area and the kitchen. The dining area actually is part of the living room. It makes the place feel larger. Isn't that nice？
M: Yes. And I see that the kitchen is right there in the comer of the house. Is this the door to the garage？
W: Yes. Let' s walk out there. Here you can see the former resident also built a work area at the back of the garage. What do you think of the house？
M: It is quite to my taste. I will discuss it with my wife. We will let you know once we decide.
(20)

A telephone operator.
B. A real estate agent.
C. A tourist guide.
D. An architect.