Only by imagining and creating the problem.
A. can solve
B. you can solve
C. solve
D. can you solve
网友回答
A. can solve
B. you can solve
C. solve
(答案→)D. can you solve
解析：考查倒转句。当only放在句首，且强调状语的时候，后面的主句使用部分倒装的形式。本题的only放在了句首，强调的是方式状语by imagining and creating,故后面使用部分倒装的形式。故D正确。