【如果先行词是theonlyperson,定语从句引导词是who还是thatRT,有把握对的回答网上说先行词有theonly修饰用that,先行词有people,persons修饰用who到底用那个，说明原因，】

　　如果先行词是theonlyperson,定语从句引导词是who还是that

　　RT,有把握对的回答

　　网上说先行词有theonly修饰用that,先行词有people,persons修饰用who

　　到底用那个，说明原因，