【正确答案】 C

【答案解析】[听力原文]
M: This Saturday is the one year anniversary of the Highland Fashion Mall"s Tea Bar! To celebrate this event, we are offering 25% off everything in the tea bar. That"s right; all teas and tea accessories will be 25% off! We are also giving away free tea while you browse through the store, and tea drinks must be for here only. The first 20 customers get five free samples of tea. There will also be a drawing for a travel tea mug. Entry will be open all day, with the winner drawn at 5 p.m. and contacted on Sunday by phone or e-mail.

选项A没有提及。选项B没有提及。选项C正确。选项D是样茶和饮品的花费。

A、 You are a regular customer.
B、 You have to buy something.
C、 You have to be among the first customers.
D、 You must drink it at the store.

【正确答案】 D

【答案解析】选项A错误，没有提到该条件。选项B错误，没有暗示必须这样做。选项C错误，这是获得样茶的条件。选项D正确。

【正确答案】 A

【答案解析】选项A正确。选项B错误，这是联系胜者的时间。选项C和D不是这个活动的时间。