Over the past 12 months the company a 10 percent improvement.A. managed B. managesC. had managed D.

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【题目】Over the past 12 months the company ______ a 10 percent improvement.

A. managed B. manages

C. had managed D. has managed

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【答案】D

【解析】

考查时态。句意：在过去的12个月里，该公司取得了10%的进步。表示“过去的动作或状态对现在造成的影响和结果”，用现在完成时，故选D。