Only by reading more books improve your reading skills.
A. you can B. can you C. do you D. you do
Only by reading more books improve your reading skills.
A. you can B. can you C. do you D. you do
B
解析:考查特殊句式。Only所修饰的状语位于句首时，主句用部分倒装，即把句子谓语中的助动词、系动词或情态动词提到主语之前，选B。