i remember having met him at a 朋友的 wedding ,but we then A were not introduced B did not introdi remember having met him at a 朋友的 wedding ,but we then A were not introduced B did not introduce C have not introduced D had not been introduce

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i remember having met him at a 朋友的 wedding ,but we then A were not introduced B did not introd
i remember having met him at a 朋友的 wedding ,but we then A were not introduced B did not introduce C have not introduced D had not been introduced 说明原因,

A,主句是having done现在完成进行时,表示‘我记得我们是在一个朋友的婚礼上见的面,but we were not introduced 但我们没有被介绍.被动语态.
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