I believe you are correct in saying that all are correct, because it is a name of a poem, all should be capitalized!, hope I helped!
The fact that is emphasized by the hyperbole in this excerpt is: "the dedication Walker showed in praying for King" (Option A)
<h3>What is a hyperbole?</h3>
In literature, any statement that is over emphasized or exaggerated beyond what would obtain normally is called a Hyperbole.
An example of a Hyperbole is:
"He opened his mouth wide as the gates of a city."
Thus, it is correct to state that (Option A) exemplifies a hyperbole.
Learn more about Hyperbole at;
brainly.com/question/2351925
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Explicit
because it is stated clearly
This is easy> Just Find the answer