The band in about 1970, but happily they reunited in the mid-1980s.
A. broke up
B. broke in
C. broke out
D. broke down
网友回答
(答案→)A. broke up
B. broke in
C. broke out
D. broke down
解析：短语辨析。A关系破裂；B闯入；C爆发；D出故障，抛锚；句意：这支乐队在20世纪关系破裂，但是在20世纪80年代他们有复合了。故A正确。