I walked slowly through the market, where people ______ all kinds of fruits and vegetables. I studied the prices carefully and b

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问题 I walked slowly through the market, where people ______ all kinds of fruits and vegetables. I studied the prices carefully and bought what I needed.

选项 A、sell
B、were selling
C、had sold
D、have sold

答案B

解析 根据“I studied the prices carefully and bought what I needed”的提示可判断此处表示“人们当时正在出售各种水果和蔬菜”,即表示过去某时正在发生的动作,故选B项。
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