【正确答案】 C

【答案解析】[听力原文]
W: Post offices offer lots of services nowadays, don't they? 12Years ago, you could only send mails, save money, and send or collect money at the post office.
M: Nowadays, they offer so many services, you hardly know which one to choose. Take mailing for example, here are three choices for you to post something. They are the first class, the second class and the EMS.
W: You are right. I save money in a post office saving account. There used to be just one kind of account, but now there are several ones. They each have different conditions and interest rates.
M: You can buy things at post office that were never sold there before. 13You can buy sweets, newspapers, birthday and Christmas cards...
W: Post offices are still the place to go to collect welfare benefits, like unemployment benefit and child support benefit. 14The queues are very long on the days when people collect those payments.
M: My son likes going to the main post office. 15They have a philately counter where he can buy stamps for his collection.
W: Do you think that the service at post offices has improved?
M: I think it's better for some things, like sending and receiving money, but if you need to post something it sometimes takes longer than it used to.
W: I seldom post something. I like buying newspapers and magazines at the post office. It means that I don't need to go to two places.

Which one is not the thing that people could do at the post office years ago?

[解析] 细节理解题。文章开头部分说到过去在邮局只能办理寄信，存钱，寄钱或取钱的业务，而这不包括买生日卡片，这是现在才有的新业务。故选C。

【正确答案】 D

【答案解析】[听力原文]
Which one is not the thing people can buy at the post office nowadays?

[解析] 细节理解题。对话中男士说到如今在邮局还可以买到糖果，报纸，生日和圣诞卡片，但并没提到杂志。故选D。

【正确答案】 A

【答案解析】[听力原文]
Why do many people queue up at the post office according to the conversation?

[解析] 细节理解题。对话中女士说到在那些领取补助金的日子，好多人会在邮局排长队领取。故选A。

【正确答案】 C

【答案解析】[听力原文]
Why does the man's son like going to the main post office?

[解析] 综合理解题。对话中男士说到他儿子喜欢去邮政总局，因为那里有集邮专柜，他可以在那买到邮票来作为收集。故选C。