Read the excerpt from Martin Luther King Jr's "Have a Dream" speech.

Five score years ago a great American, in whose symbolic
shadow we stand today, signed the Emancipation Proclamation
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. It came as a joyous daybreak to end the long
night of their captivity.
But one hundred years later, the Negro still is not free.

Why does Dr King's allude to the Emancipation Proclamation in
his speech?

A. The allusion demonstrates Dr. King's belief that
equality was achieved with the Emancipation
Proclamation

B. The allusion indicates to the audience that enslaving
people was always illegal in the United States

C. But one hundred years later, the Negro still
not free. Why dose Dr. King allude to the emancipation proclamation in his speech

D. The allusion reminds the audience that 100 years
O have passed since the Emancipation Proclamation
yet inequality still exists

E. The allusion reflects Dr. King's importance since it
O refers to another important figure in American history
President Lincoln