--This book is a bit difficult．________ read something easier?

--All right．

1. A.
   Why not to
2. B.
   Why don't
3. C.
   Why not
4. D.
   Why not you

—This book is a bit difficult,_________ read something easier?

—All right.

A. Why not to　 B. Why don't　 C. Why not　　　D. Why not you

—This book is a bit difficult. ________ read something easier?

—All right.

[　　]