问题
选择题
At first he refused to admit he had stolen but when he was shown the videotape（录像带）he ________ and admitted everything.
A．broke up
B．broke away
C．broke down
D．broke in
答案
C
break down表示“（车等）坏掉，坍塌；（健康、精神）垮下来；分解，拆散。”
【标签】同根词组辨析