The experiment has reached a stage ________ they can almost do nothing about it. [ ]A. whichB. thatC

题目简介

The experiment has reached a stage ________ they can almost do nothing about it. [ ]A. whichB. thatC

题目详情

The experiment has reached a stage ________ they can almost do nothing about it.  
[     ]
A. which        
B. that        
C. where      
D. when
题型:单选题难度:中档来源:贵州省期末题

答案

  C

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