Though the suspect refused to admit that he had stolen the precious diamond at first．he and admitted everything when he was shown the videotape．
A. broke up
B. broke away
C. broke down
D. broke into
网友回答
A. broke up
B. broke away
(答案→)C. broke down
D. broke into
解析：短语辨析，A使粉碎；弄破；解散；结束；B突然离开；逃跑；C发生故障；崩溃；垮掉；分裂；D闯入；句意：尽管那个嫌疑犯拒绝承认他偷了那个珍贵的宝石。但是当他看了录像以后就崩溃了。