. Had I known about this computer program, a huge amount of time and energy __ .A.would have been sa

题目简介

. Had I known about this computer program, a huge amount of time and energy __ .A.would have been sa

题目详情


. Had I known about this computer program, a huge amount of time and energy __ .  
A.would have been savedB.had been saved
C.will be savedD.was saved
题型:单选题难度:偏易来源:不详

答案

A

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