试题题干
The British North America Act was officially announced on July 1, now celebrated as（）.
参考答案
正确答案：
试题解析
《英属北美条约》于7月1日正式宣布，现在被庆祝为加拿大日。四个选项中只有A选项符合题意。
The British North America Act was officially announced on July 1, now celebrated as（）.
《英属北美条约》于7月1日正式宣布，现在被庆祝为加拿大日。四个选项中只有A选项符合题意。