What is it that you need help with?
The answer is D It is D by process of elimination. its can not be A as Civilizations had developed in Africa before industrialization. It can not be B because the nation of Mali was in West Africa NOT South Africa. And it can not be C because at the time Africa was not one unified political unit but instead multiple Civilizations.
The average kid is todays society is one that does not necessarily stands out, not famous or disliked. He usually blends in on all social levels. Therefore the correct answer is a: Natalya, the average kid :)