第27题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. They are attending a concert. B. They are negotiating about a price. C. They are planning to go for a date. D. They are buying something for their firm. 参考答案:B 答案解析:[听力原文] W: This is our rock-bottom price, Mr. Li. We can’t make any further concessions. M: If