【单选题】 Without computers, we ______ the tremendous medical advancement in the last few decades.
A.would not make
B.will not have made
C.could not make
D.couldn't have made
网考网参考答案:D
网考网解析:
[注释] without作“如果没有”解,表示一种与事实相反的假设,意思上相当于一个if引导的虚拟条件句。根据题中可看出without computer 是与过去事实相反的假设,因此主句应该用:would(should,could,might)+动词的完成式。
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