A.The killing of a guard.
B.The release of Woodfox.
C.The campaign against discrimination.
D.The sentence of "Angola Three".
A.He is the oldest prisoner.
B.He murders more people than others.
C.He is put into jail for nothing.
D.He is the longest one to be imprisoned alone.
【小题3】新闻开头提到A judge in the United States has ordered the release of Albert Woodfox, the last of the so-called "Angola Three" still in prison.由此可知，美国法官下令释放艾伯特·伍德福斯，下文是对这一事件的详细阐述及背景介绍，故这则新闻主要围绕艾伯特·伍德福斯的释放展开，正确答案为B。
【小题4】新闻中提到No man in the U.S. has ever spent as much time in solitary confinement as he has.由此可知，在美国，伍德福斯是被单独囚禁时间最久的人，故本题选D。