问题
选择题
I was late for school this morning because the traffic was _________ by an accident.
A．used up
B．given up
C．held up
D．put up
答案
答案：C
词义辨析。used up 用完；given up 放弃；held up阻挡；put up挂起，张贴。句意：我今天早晨上学迟到了因为交通被一起事故堵住了。所以选C。