Which statement from "I Have a Dream" expresses the bleak history of African Americans in the United States? A. "And they have come to realize that their freedom is inextricably bound to our freedom." B. "Let us not seek to satisfy our thirst for freedom by drinking from the cup of bitterness and hatred." C. "I am happy to join with you today in what will go down in history as the greatest demonstration for freedom in the history of our nation." D. "One hundred years later, the life of the Negro is still sadly crippled by the manacles of segregation and the chains of discrimination."