In January 1973, Britain finally became a full member of the____

In January 1973, Britain finally became a full member of the___________ .
A、Commonwealth
B、European Economic Community
C、North Atlantic Treaty Organization
D、Organization of Petroleum Exporting Countries
【正确答案】：B
【题目解析】：1973年1月，英国终于成为欧洲经济共同体的正式成员国。