Please help worth 10 points!!which detail from the text best supports the idea that king demands equal rights and encourages americans to write for those right and a non-violent way?

a. )" i have a dream that my four little children one day live in a nation where they will not be judged by the color of their skin but by the content of their character. "
b. )"i am not unmindful that some of you have come here out of great trials and tribulations. some of you have come fresh from narrow jail cells. "
c. )"in the process of gaining our rightful place, we must not be guilt of wrongful deeds. let us not seek to satisfy our thirst for freedom by drinking from the cup of bitterness and hatred. "
d. )" but one hundred years later, the negro still is not free. one hundreed years later, the life of the negro is still sadly crippled bt the manacles of segregation and the chains of discrimination. "