none nothing的区别

题目

none nothing的区别
----have you finished all your exercises?
----yes,____is left.As a matter of fact,they are as easy as ABC.
A.nothing B.not one C.none D.neither
请问为什么不能选nothing 有什么区别呢?

答案

none更侧重数量上,说明已全部完成.nothing具体到事物.根据语境应该用none.这种题目一般都会选none