News reports say peace talks between the two countries with no agreement reached.A. have

问题补充：

News reports say peace talks between the two countries with no agreement reached.

A. have broken down

B. have broken out

C. have broken in

D. have broken up

答案：

(答案→)A. have broken down

B. have broken out

C. have broken in

D. have broken up

解析：break down“破裂”；break out“爆发”；break in“闯入”；break up“分裂”。句意为“据新闻报道两国之间的和平谈判破裂了”。