The Father wished the twins to be doutors, but ( ) of them l

The Father wished the twins to be doutors, but ( ) of them liked to study medicine.
A .both
B.neither
C.either
D.none
请说明选择的理由,超级感谢啦!～～～～～～～～～～～～～～～～～～～～～
请问可以用none吗?