Question

3. —I have passed the driving test at last. Can you believe it?

—Oh,     .

A. cheer up     B, congratulations

C. so I do   D.   that's it

Answer 1

3.    B考查交际用语。前者说他终于通过了驾照考试，后者A 然是表示"祝贺"。故选B。