Bessie's unrealized dream was to_____.

　　定位到第四段的第二、三句，“Long before her first exhibition, Bessie dreamed of setting up a flying school for blacks. Unfortunately, she died in a flight accident before her dream was realized.”，在她开始她第一次飞行表演很久之前，Bessie梦想能够建立一所给黑人的飞行学校。不幸的是，在她的梦想实现之前，在一次飞行事故中死亡。故选D。