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

A．sell B．were selling C．had sold D．have sold

B

解析試題分析：句意：當我慢慢的走過市場時，那兒的人們正在賣各種各樣的蔬菜和水果。sell一般現(xiàn)在時表示經(jīng)常性，習(xí)慣性的動作。had sold過去完成時，表示過去之過去。have sold現(xiàn)在完成時，表示過去發(fā)生的動作對現(xiàn)在造成的影響。
考點：本題考查時態(tài)

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