Only when I read this story for a second time to appreciate its beauty.
A. did I begin
B. that I began
C. I began
D. had I began
网友回答
(答案→)A. did I begin
B. that I began
C. I began
D. had I began
解析：考查倒装句式。当only放句首时，并且强调状语的时候，主句要用部分倒装的倒装句，即提前助动词到主语之前。意为从句when I read this story for a second time是过去时，所以主句选择did倒装。