TPO 7的一道阅读题

TsMe

就是最后一篇讲Agriculture, iron and the Bantu peoples的那篇
最后一道题 选三个主旨句
说Today's Bantu speaking peoples are descended from a technologically advanced people who spread throughout Africa.


找了很久在文中都没有找到这句的信息。
为什么选这个啊？