news reports say peace talks between the two countries have ____ with no agr
题号:9题型:单选题（请在以下几个选项中选择唯一正确答案）本题分数:5
内容:
News reports say peace talks between the two countries have ____ with no agreement reached.
选项:
a、broke down
b、broke out
c、broke in
d、broke up