He collected information on 1,000 people, whose IQ ________ when they were ten years old.[ ]A. is te

题目简介

He collected information on 1,000 people, whose IQ ________ when they were ten years old.[ ]A. is te

题目详情

He collected information on 1,000 people, whose IQ ________ when they were ten years old.
[     ]
A. is tested  
B. has tested
C. would test  
D. had been tested
题型:单选题难度:中档来源:同步题

答案

D

更多内容推荐