Which sentence uses a metaphor to dramatize Dr. King's point vividly?
A) But one hundred years later, the Negro still is not free.
B) So we have come here today to dramatize a shameful condition.
C) We have also come to this hallowed spot to remind America of the fierce urgency of now.
D) This momentous decree came as a great beacon light of hope to millions of Negro slaves who had been seared in the flames of withering injustice.