Which inference is best supported by the passage below (paragraph 3)? But one hundred years later, the Negro still is not free. One hundred years later, the life of the Negro is still sadly crippled by the manacles of segregation and the chains of discrimination. One hundred years later, the Negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity. One hundred years later, the Negro is still languished in the corners of American society and finds himself an exile in his own land. And so we've come here today to dramatize a shameful condition.
Answer choices for the above question

A. Despite centuries of struggle, African Americans still suffer from discrimination in the 21st century.

B. The United States is a vast ocean of material prosperity.

C. This speech is a dramatization of the African American situation.

D. The Emancipation Proclamation did not greatly improve the lives of all African Americans.