Hector has written this topic sentence. dr. king’s "i have a dream” speech includes many metaphors to show the suffering of african americans. which excerpt from the speech best supports this topic sentence? a. one hundred years later, the negro is still languished in the corners of american society and finds himself an exile in his own land. b. and they have come to realize that their freedom is inextricably bound to our freedom. we cannot walk alone. c. the whirlwinds of revolt will continue to shake the foundations of our nation until the bright day of justice emerges. d. and those who hope that the negro needed to blow off steam and will now be content will have a rude awakening if the nation returns to business as usual.