Unfortunately, the couple after years of quarrels .
A. broke down
B. broke up
C. broke out
D. broke off
网友回答
A. broke down
(答案→)B. broke up
C. broke out
D. broke off
解析：四个选项分别表示A. broke down出故障， B. broke up分手、打碎，C. broke out爆发，D. broke off折断，根据题意：这对夫妇因为多年的争吵分手。选B。