第16题: [单项选择]Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. What was the shoe made of A. Buffalo hide. B. Cowhide. C. Pigskin. D. Sheepskin. 参考答案:B 答案解析:细节题。皮鞋是母牛皮制作的。