(·齐鲁名校二模)Though the suspect refused to admit that he had stolen the precious diamond a

问题补充：

(·齐鲁名校二模)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 off

B. broke away

C. broke down

D. broke into

答案：

A. broke off

B. broke away

(答案→)C. broke down

D. broke into

解析：选C考查动词短语辨析。句意：尽管犯罪嫌疑人一开始拒绝承认偷了这颗贵重的钻石，但当他看到监控录像时他精神崩溃并承认了一切。根据句意可知，应选break down“(健康、精神) 垮掉”。break off“中止，中断”；break away“强行逃脱”；break into“闯入”。