A、Tomorrow. B、Today. C、Yesterday. D、The day after tomorrow. A对话结尾部分女士说这样的优惠很具有吸引力，男士回答说这个促销活动明天就结束了。由此可见，促销的结束时间是明天。

M: Hi, can I help you?
W: Yes, I like this mattress.It seems pretty firm.
M: You’re right.This is a very good brand, so you don’t have to worry about its quality.
W: Does it come with a frame?
M: Unfortunately, it doesn’t.However, we could offer a ten percent discount on that.
W: That’s an attractive plan.
M: Yes, if you like it, you should hurry.This promotion ends tomorrow.
W: Well, I’ll think about it.
M: OK.
6.What is the discount on the mattress?
7.When will the promotion end?