24 hours has ________ after the explosion of the mine, but resuce efforts to recover the missing ________ carried out．A.been passed; are still beingB.passed; are nowhere near beingC.passing; have already beenD.past; will soon be
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B解析pass表示时间的流逝、推移时用作不及物动词，不用被动语态；从上下文看，第二句表示救援工作还在进行或还未展开，因此选B项。