第4题: [单项选择]From the passage, we know if a customer buys a particular brand, he thinks that ______ . A. he will get a prize B. its price is reasonable C. there is competition D. it is the best product 参考答案:D 答案解析:[解析] 事实细节题。根据文章第三段第一句We buy a particular product because we kink that it is the best,可知答案为[D]。