题目内容：
阅读下面短文，回答从的题目。Martin Luther King Jr．was born in Georgia in 1 929．When was still a boy Martin learned that his people，the black Americans，when often treated differently from most of（ ）fellow Americans．Many could not attend good schools，get good jobs，or live in nice houses because of the color of their（ ） .Manin knew that in a free country this was wrong.He wanted to help his black brothers，（ ）he decided to go to school and become a minister.（ ）
A．his B．those
C．most
D．their
参考答案：
答案解析：