On Easter Monday, April 18, 1949, Eire became the Republic of Ir

On Easter Monday, April 18, 1949, Eire became the Republic of Ireland, formally free of allegiance to the British crown and no longer a member of _________.
A、the Commonwealth of Nations
B、the United Nations
C、the NATO
D、the EC
【正确答案】：A
【题目解析】：在复活节那天，1949年4月18日星期一，爱尔兰成为爱尔兰共和国，正式脱离英国的统治，不再是英联邦的一员。