The discussion on the economic collaboration between the United States and the European Union may be eclipsed by the recent growing trade friction.
【正确答案】 C
【答案解析】解析:题干:美国和欧盟关于经济合作的讨论可能因为近期日益增多的贸易摩擦而蒙上一层阴影。划线eclipse的含义是“淹没重要性,使失色”。选项A为“擦掉”,选项B为“激发”,选项C为“使有阴影”,选项D是“搁置”。