问题
选择题
Only when his mother died ________ how much he loved his mother.
A．he realised
B．did he realise
C．he had realised
D．had he realised
答案
答案：B
考查倒装句。only +状语放在句首时，使用部分倒装，从句不倒装，主句倒装，根据语境时态应用过去式，故选B。
搜题请搜索小程序“爱下问搜题”