When he heard the bad news, he ______ completely.

When he heard the bad news, he ______ completely.
A、broke away
B、broke up
C、broke down
D、broke out
【正确答案】：C
【题目解析】：break away脱离，放弃，逃跑； break up分手，结束，打碎；break down分解，失败，毁掉；break out爆发句意：当他听到这个坏消息时，他彻底崩溃了。