定语从句中,先行词被the only ,the very ,the same,the last 修饰时,只能用that 引的。在此she是先行词
who,有only一定不能用that.现行词是she,如果没有only,现行词是the girls,但后面的plays要改为play.
先行词是she,所以选who
WHO和THAT都可以
先行词是she
定语从句中,先行词被the only ,the very ,the same,the last 修饰时,只能用that 引导,词句的先行词为one of girls