Rarelyothers for help.A. he askedB. he asksC. did he askD. asked he

问题补充：

Rarelyothers for help.

A. he asked

B. he asks

C. did he ask

D. asked he

答案：

A. he asked

B. he asks

(答案→)C. did he ask

D. asked he

解析：考查倒装句式。当否定意义的副词放于句首时，句子须倒装（部分倒装）。

可知答案选C。