His hobby is either taking photos or collecting stamps.请问这句话对么?如果错误,如何改正?

问题描述:

His hobby is either taking photos or collecting stamps.请问这句话对么?如果错误,如何改正?
这是一道选择题:
His hobby is _____ taking photos _____ collecting stamps.
A.either or B.both and
C.not only but also D.neither or
给出的答案是D,但是A为什么错啊?
不吝赐教,

A either or是两者任意一个均可,爱好是一定的,所以不可以选这个