Only after Ann read her essay the second time the spelling mistake.A. did she noticeB. she

问题补充：

Only after Ann read her essay the second time the spelling mistake.

A. did she notice

B. she notice

C. does she notice

D. she has noticed

答案：

(答案→)A. did she notice

B. she notice

C. does she notice

D. she has noticed

解析：句意：Ann在第二次读了自己写的文章之后，才注意到拼写错误。Only + 状语为于句首，句子用部分倒装，选A。