Only after Li Qi focused on his strengths instead of his weakness himself from his inferiority plex（自卑感）.
A. he freed
B. he had freed
C. did he free
D. had he freed
网友回答
A. he freed
B. he had freed
(答案→)C. did he free
D. had he freed
解析：
试题分析:考查倒装句。Only+状语位于句首，后面句子要用部分倒装语序，所以排除A,B选项，而根据语境可知此处用一般过去时，所以答案选C。句意：只有在李琦把注意力放在自己的强项而不是弱点上之后，他才使自己摆脱了自卑感。