Question

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

Answer 1

A

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。