问题
选择题
Only when I left my parents for Italy ________ how much I loved them.
A．I realized
B．I had realized
C．had I realized
D．did I realize
答案
答案：D
题目分析：句意：只有当我离开我的父母到意大利的时候，我才意识到我有多么爱他们。Only + 状语从句位于句首，主句要用部分倒装，选D。