二、听对话或独白，根据对话或独白的内容，从下面各题所给的A、B、C三个选项中选择最佳选项。每段对话或独白读两遍。（每小题1分，共12分）
请听一段对话，完成第5至第6小题。
5. Which shoes does the man buy?
A. The black ones. B. The brown ones. C. The blue ones.
6. How much does the man pay for the shoes?
A. 50 yuan. B. 100 yuan. C. 150 yuan.
