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
句意：只有当我离开父母前往意大利，我才意识到我是多么的爱他们。Only引导的状语或状语从句位于句首时，主句需部分倒装。
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