i don't like the girl living downstairs,____loses her temper easily选who .where .which .that.

i don't like the girl living downstairs,____loses her temper easily选who .where .which .that.
i don't like the girl living downstairs,____loses her temper easily
选who .where .which .that.

i don't like the girl living downstairs,____loses her temper easily选who .where .which .that.
who 非限制性定语从句.修饰Girl 一个很容易就发脾气的女孩.living downstairs 是后置定语.