单选题 If we terminate our relations with that country, we'll have to find another supplier of raw materials.
【正确答案】 C
【答案解析】“结束,终结的”。这里是指“终止关系”。diminish“减少,缩减”;diffuse“散布”;preclude“防碍,阻止”。只有C,end有“结束”之意。