有关完成时的选择题Jack and Jane ____ each other since they were children,so nobody was surprised to hear they were married.A.had known B.have known C.were known D.knew为什么不选B?为什么不用现在完成时

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有关完成时的选择题Jack and Jane ____ each other since they were children,so nobody was surprised to hear they were married.A.had known B.have known C.were known D.knew为什么不选B?为什么不用现在完成时

有关完成时的选择题Jack and Jane ____ each other since they were children,so nobody was surprised to hear they were married.A.had known B.have known C.were known D.knew为什么不选B?为什么不用现在完成时
有关完成时的选择题
Jack and Jane ____ each other since they were children,so nobody was surprised to hear they were married.
A.had known B.have known C.were known D.knew
为什么不选B?
为什么不用现在完成时

有关完成时的选择题Jack and Jane ____ each other since they were children,so nobody was surprised to hear they were married.A.had known B.have known C.were known D.knew为什么不选B?为什么不用现在完成时
过去完成时态,因为是小时候就了解对方,是小时候就完成的,所以要用过去完成时态!

过去完成时态呀

你好。答案应该选A.
since引导的时间状语从句的时态是一般过去时，
主句的时态则是现在/过去完成时态
对于本题从最后一个分句我们可以判断整句话的时态是过去时态，
所以since在这里用于过去完成时态，表示他们认识对方发生在过去的过去.
希望能帮到你....

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你好。答案应该选A.
since引导的时间状语从句的时态是一般过去时，
主句的时态则是现在/过去完成时态
对于本题从最后一个分句我们可以判断整句话的时态是过去时态，
所以since在这里用于过去完成时态，表示他们认识对方发生在过去的过去.
希望能帮到你.

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