---Why did the police the crowd?
---Because the president’s car in the street.
A. break down; went wrong
B. break up; out of order
C. break down; broke up
D. break up; broke down
网友回答
A. break down; went wrong
B. break up; out of order
C. break down; broke up
(答案→)D. break up; broke down
解析：本题考查动词词组意思的辨析。break up使粉碎；弄破；解散；结束；解体解散；中断；终止; break down打破；发生故障；中止;句意为：为什么警察要疏散人群？因为总统的汽车在接受发生故障了。如果选择B，需要在out of order前面加was.