题干
A neighbor asked for the music to be turned down and the party to__________.
A：break up
B：break down
C：break in
D：break out
答案(点此获取答案解析）
A
双方，包含着向对立面转化的趋势 
定条件下可以向“进步”转化，体现了矛盾的同一性 
