Only in this way to make improvement in the operating system.
A. you can hope
B. can you hope
C. you did hope
D. did you hope
网友回答
A. you can hope
(答案→)B. can you hope
C. you did hope
D. did you hope
解析：“only + 状语/状语从句”位于句首时，句子/主句要用部分倒装。部分倒装是将助动词、系动词、情态动词等移至主语之前。