【正确答案】 D

【答案解析】[听力原文]
M: Good afternoon. I believe this house is for sale.
W: That"s right.
M: May I have a look at it, please?
W: Why, yes, of course. Let me show you around.
M: How long have you lived here?
W: I"ve lived here ever since my son was born, and now he"s 30.
M: Oh, that"s quite a long time. Then why do you want to sell it?
W: I"ve just retired. I want to buy a small house in the country. It"s quiet and the air is fresh there.
M: How much do you want for it?
W: $150,000.
M: That"s a lot of money. Can you bring it down?
W: I"m sorry but I think it"s worth the price.
M: I like the house but I can"t decide now. My wife must see it first.
W: Women always have the last word.

[解析] 时间数字题。题干意为：“女士在这所房子里已经住了多久?”A项意为“25年”；B项意为“20年”；C项意为“15年”；D项意为“30年”。听力材料中女士提到“I"ve lived here ever since my son was born, and now he"s 30”(自从我儿子出生，我就住这儿了，现在他30岁了)，由此推断，女士在这所房子已经住了30年。因此，D为正确答案。

【正确答案】 C

【答案解析】[解析] 因果关系题。题干意为：“女士为什么要卖她的房子?”A项意为“因为她在那儿住得厌倦了”；B项意为“因为她已经退休了，生活比较拮据”；C项意为“因为她想去安静的乡村生活”；D项意为“因为她将去和儿子一起生活”。听力材料中男士问：why do you want to sell it? (你为什么要卖掉这所房子呢?)女士回答：I"ve just retired. I want to buy a small house in the country. It"s quiet and the air is fresh there(我刚退休，想去乡下买个小房子，那儿比较安静，空气也新鲜。)由此推知，女士卖掉房子是因为她想去安静的乡下生活。因此，C为正确答案。

【正确答案】 A

【答案解析】[解析] 时间数字题。题干意为：“女士想要以什么样的价钱卖掉这所房子?”这里需要听清具体数字的读音，以避免近音选项的干扰。听力材料中男士问：How much do you want for it?(你想要卖多少钱?)女士回答：$150,000。由此推知，女士想要以15万美元卖掉这所房子。因此，A为正确答案。