试题题干
（ ） is an organization of European countries that have joint policies on matters such as trade, agriculture, and finance.
参考答案
正确答案：
试题解析
本题主要考查欧盟的定义。
European Union is an organization of European countries that have joint policies on matters such as trade, agriculture, and finance.
欧盟是欧洲国家在贸易、农业和金融等问题上采取联合政策的组织。
A选项美国，B选项英国，D选项欧洲，均不符合题干要求，故选C。