“Never for a second,” the boy told the reporter, “ that my father would come to my rescue.

网友回答

A. I doubted
B. do I doubt
C. I have doubted
(答案→)D. did I doubt
解析：句意：这个男孩告诉记者：“我从没有一秒钟怀疑爸爸回来救我”。Never for a second是否定意义的词，放在句首的时候，句子用部分倒装，助动词放在主语前面，可以排除AC，因为从句用了would，所以主语应该是一般过去式，所以选D。