What a pity! I missed meeting my boss at the airport because my car was in the traffic jam

问题补充：

What a pity! I missed meeting my boss at the airport because my car was in the traffic jam.

A. broken up

B. kept away

C. held up

D. kept up

答案：

A. broken up

B. kept away

(答案→)C. held up

D. kept up

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