第21题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. They ignore them. B. They are afraid of them. C. They accept and enjoy them. D. They are indifferent to them. 参考答案:C 答案解析:[听力原文] How do people react to the category of social challenges [解析] 细节题。首先注意这道题的问题是用现在时态,因此问的是