she would go and inform him if she ___ his address.A know B had known C knew D would have known正确答案是B 为什么要选B 不能选C

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• she would go and inform him if she ___ his address.A know B had known C knew D would have known正确答案是B 为什么要选B 不能选C
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• she would go and inform him if she ___ his address.A know B had known C knew D would have known
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