--- This article is a little bit easy.______________ read something difficult?.--- This article is a little bit easy.______________ read something difficult?　　A.Why not toB.Why don'tC.Why notD.Why not you

--- This article is a little bit easy.______________ read something difficult?.--- This article is a little bit easy.______________ read something difficult?　　A.Why not toB.Why don'tC.Why notD.Why not you
--- This article is a little bit easy.______________ read something difficult?.
--- This article is a little bit easy.______________ read something difficult?
　　A.Why not toB.Why don'tC.Why notD.Why not you

--- This article is a little bit easy.______________ read something difficult?.--- This article is a little bit easy.______________ read something difficult?　　A.Why not toB.Why don'tC.Why notD.Why not you
C why not do sth = why don't you do sth?
为什么不做某事呢?

C,why not为什么不，提建议
这篇文章有点容易，为什么不读些难的