---Why did you come late this morning? ---We werefor an hour in the traffic jam.A. taken u

问题补充：

---Why did you come late this morning?

---We werefor an hour in the traffic jam.

A. taken up

B. given up

C. held up

D. put up

答案：

A. taken up

B. given up

(答案→)C. held up

D. put up

解析：动词词组辨析题。A. taken up 从事 B. given up放弃 C. held up 阻挡 D. put up 张贴句意：今天早晨你为什么迟到？交通堵塞耽误了一小时。根据语境选C