Without computer,we ______the tremendous medical advancement in the past few decades.

题目

Without computer,we ______the tremendous medical advancement in the past few decades.
A.would not make B.will not have made C.could not make D shouldn,t have made
选哪个 为什么

答案

答案：【D】【解析】 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)+...