I was late for school this morning because the traffic was by an accidentA. used upB. giv

问题补充：

I was late for school this morning because the traffic was by an accident．

A. used up

B. given up

C. locked up

D. held up

答案：

A. used up

B. given up

C. locked up

(答案→)D. held up

解析：动词词组辨析题。 A．used up 用光 B．given up 放弃 C．locked up 锁起来 D．held up 阻挡句意：今天早晨我上学迟到了因为有事故车辆被阻挡了。根据语境选D