The pilot lost touch with the military base, ________ his plane crashed in the desert．A.by means of whichB.for fear of whichC.in terms of whichD.as a result of which
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D解析句意是“飞行员与军事基地失去了联系，因此，他的飞机撞毁到沙漠中”。as a result of which表示因果关系，意为“作为……的结果”。by means of which“用……手段”；for fear of which“恐怕……”；in terms of which“在……方面”。