单选题
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 stop
【正确答案】
C
【答案解析】
[解析] nor until放在句首，句子要倒装。例如：Not until he finished his homework did Li Ming watch TV. (李明做完作业后才看电视。)
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