Not until I reminded him for the third time working and looked up.A. that he stoppedB. do

问题补充：

Not until I reminded him for the third time working and looked up.

A. that he stopped

B. does he stopped

C. did he stop

D. that he stopped

答案：

A. that he stopped

B. does he stopped

(答案→)C. did he stop

D. that he stopped

解析：直到我提醒他三次时，他才停下来看我。