Only by reading more booksimprove your reading skills. A. you canB. can youC. do youD. yo

问题补充：

Only by reading more booksimprove your reading skills.

A. you can

B. can you

C. do you

D. you do

答案：

A. you can

(答案→)B. can you

C. do you

D. you do

解析：考查倒装句。Only+状语提前，主谓应用部分倒装。根据意思，答案为B。