Dring the examination we were supposed to stay in our seat, keep our in our work, ______to anyone.A but could not talk B rather than speak C and not speak D instead of speaking 为什么？请详细说明！
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Dring the examination we were supposed to stay in our seat, keep our in our work, ______to anyone.A but could not talk B rather than speak C and not speak D instead of speaking 选c, 可以看作省略and (were not supposed to),因为要和前边的stay in our seat, keep our in our work平行，如选a，有could not,b,d 结构不对。
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c be supposed to and not to
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Dring 这次考试我们应该留下在我们的位子, 保留我们的工作, ______ 对anyone.A 但没有能谈B 而不是讲C 和不 讲D 而不是讲话
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c
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c.be supposed to表示应该的意思，后面加平行的并列结构，也加动词原形．
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b
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C
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c,并列句，有更甚的意思，考试期间，当然要坐在座位上，并且不的交头接耳拉