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    It________heavily for 2 weeks and the farmers were very worried.

    A．has been raining　B．had been raining

    C．has rained　D．had been rained

     

    B

    【解析】考查时态与语态。句意：大雨已经下了两周，农民们非常担心。由were可知，事情发生在过去，故用过去完成进行时，表示动作从过去另一时间开始，一直延续到过去另一时间，可能还要继续下去。

     

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