—What? You failed the driving test again!—?A. So whatB. How comeC. Why notD. What for

问题补充：

—What? You failed the driving test again!

—?

A. So what

B. How come

C. Why not

D. What for

答案：

A. So what

B. How come

C. Why not

D. What for

解析：选A。考查情景交际。so what意为“那又怎么样呢”, 表示不在乎的态度, 符合题意; how come意为“怎么会”; why not意为“为什么不……”; what for意为“为什么”。