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，男士说这次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 10% 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?