-I don't know what to wear for the dinner party.

问题描述:

-I don't know what to wear for the dinner party.
-______jeans and a blue shirt.
A:why don't
B:why not
C:what about
最后一句标点是?号
为什么why not 不行?

c
why not 是说为什么选择牛仔呢,前一句主要意思是,我不知道穿什么,下一句说穿牛仔什么的怎么样啊,why not不符合提议,如果前一句说穿运动装什么的,下一句可以说为什么不穿牛仔呢...
这样.