问题
选择题
Only when he got there _____how much damage had been caused.
A．be realized
B．he had realized
C．had he realized
D．did he realize
答案
答案：D
题目分析：当only置于句首，强调状语成分的时候，主句用部分倒装的形式。故选D。句意：只有当他到达了那里，他才意识到导致的损失有多大。
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