I can talk to my parents ________ are always there for me.
A. who B. that C. which D. A or B
如果先行词前面有形容词性物主代词,后面只能接非限制性定语从句。这里的先行词parents是表示人的词语, that不能引导非限制性定语从句,所以,答案应该是A. who。