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

A. managed B. manages

C. had managed D. has managed

【答案】D

【解析】

考查時(shí)態(tài)。句意：在過(guò)去的12個(gè)月里，該公司取得了10%的進(jìn)步。表示“過(guò)去的動(dòng)作或狀態(tài)對(duì)現(xiàn)在造成的影響和結(jié)果”，用現(xiàn)在完成時(shí)，故選D。

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