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    精英家教网 > 高中英语 > 题目详情
    In the past few years, sea ice ____ in the Arctic as a result of global warming.
    A．had meltedB．has been melting C．meltedD．is melting
    B
    考查时态。根据in the past few years可知是与完成时连用的，在根据句意是指海冰一直都在融化。所以使用现在完成进行时。句意：在过去几年里，因为全球变暖，海冰一直在融化。
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