If I hadn’t been lucky enough to meet you. I really _____ what I would have done.
A．don’t knowB．hadn’t known
C．wasn’t knowingD．wouldn’t know
A.
雖然前有虛擬條件句, 后有使用了虛擬語氣的賓語，但 I don’t know 卻宜用一般現(xiàn)在時，因為 I don’t know 表述的是現(xiàn)在的真實情況，句意為“我要不是有幸遇到你，我真不知（指現(xiàn)在不知）我會做出什么蠢事來”。
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