—You’ve made lots of mistakes in the exam.

—       .I’ll give you a second chance.

A．You must be kidding                         B．I’m afraid not

C．How come                                       D．So what

-You’ve made lots of mistakes in the exam．

-________-I’ll give you a second chance．

1. A.
   Take it easy．
2. B.
   I’m afraid not．
3. C.
   How come?
4. D.
   So what?