She is a friend of my正确还是She is a friend of mine正确?

问题描述:

She is a friend of my正确还是She is a friend of mine正确?

mine
这个是物主代词,一般使用物主代词后面就没有其他名词了,而my后面一定还会有其他词的,要使用my应该是shi is a friend of my friends.就有些重复了,所以会选mine