题目

His car ___ the terrible traffic jam, so he had to call off his appointment with his doctor.  A. came across    B. came along    C. came between    D. came on   答案： A 从下文的so he had to call off his appointment with his doctor 来看，上文应是“他的车遇上了交通阻塞”，故come across合题意。  

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