After they stars in their own country, the Beatles the United States.
A. had bee; toured
B. have bee; toured
C. became; toured
D. became; had toured
网友回答
(答案→)A. had bee; toured
B. have bee; toured
C. became; toured
D. became; had toured
解析：句意：甲壳虫乐队在自己的国家成名后，他们开始去美国巡回演出。“成名”在“巡回演出”之前，而“巡回演出”已经是发生在过去的事情，表示过去的过去，用过去完成时，选A。