Not until the motorbike looked alomst new________repairing andcleaning it.A.he stoppedB.did he stopC.stopped he D.he did stop为什么选择B?

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Not until the motorbike looked alomst new________repairing andcleaning it.
A.he stopped
B.did he stop
C.stopped he
D.he did stop
为什么选择B?

B.did he stop
Not until 放句首时,主句要倒装,语序是“助动词或情态动词或系动词+主语+谓语.”本句没有情态动词或系动词,故要加一个助动词did(过去时)

Not until 引起的句子,用倒装句

not until句首,后面要倒装