Answer:
B. Dr. King alludes to the wording Lincoln used in the Gettysburg Address.
Explanation:
When Dr. King says "A great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation" in his speech, he is referring to Abraham Lincoln. He was the one who signed that document/proclamation.
The literary device that uses extreme exaggeration is hyperbole which is a deliberate exaggeration of actions of ideas to make emphasis. Example, this bag weighs a ton. Metaphor and similes compare two different objects and show similarity between them The difference is that similes uses “as” or “like” and metaphor does not. Example of simile. I can eat like a horse. Metaphor, my boss is an old fox, very crafty
A paradox is a statement that seems to be self-contradictory and creates a humorous effect on readers. Example I must be cruel to be kind.