问题
选择题
Only when I got here _________ that I had made a big mistake.
A．did I realize
B．I realized
C．I have realized
D．have I realized
答案
答案：A
考查倒装结构。本题考查only + 状语从句 + 主谓倒装，主句用过去完成时，从句用一般过去时，选A。
搜题请搜索小程序“爱下问搜题”