问题
选择题
The traffic was _________when the car accident happened .
A．held up
B．held out
C．held on
D．held down
答案
答案：A
考查短语辨析。held up阻塞，held out伸出，held on继续，held down阻止，句意：当车祸发生的时候交通被阻塞了。故选A。
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