he hasn't decided___to go ____stay.a both...and b neither...nor c either...or d whether...or为什么不能选c
问题描述：
he hasn't decided___to go ____stay.
a both...and b neither...nor c either...or d whether...or
为什么不能选c
答
他不能决定是否离开还是留下,要是选C就是,他不能决定或者离开或者留下.