The young man felt so guilty about his drunk driving that not a single word to defend himself in court.
A. said he
B. he said
C. did he say
D. he did say
网友回答
A. said he
B. he said
(答案→)C. did he say
D. he did say
解析：句意：这个年轻人对他的酒后驾驶感到如此内疚，以至于在法庭上没有说一句话为自己辩护。That从句中not a single word在句首，否定词在句首的时候，句子用部分倒装，用助动词did放在主语前面，所以选C。