B) He wants to communicate directly with the readers.
Explanation:
From the given options, the sentence that best explains why Walt Whitman uses such a simple phrase as "who I am or what I mean" in the given quotation from "Song of Myself" is the corresponding to option B: He wants to communicate directly with the readers, that is why he uses a simple phrase and also he addresses the reader in a direct way by using the pronoun "you."
The Answer is B "His conscience will never let him Rest".
Explanation:
Simple, During Act II The reason he says this because of Macbeth does really mean that when he indictes he had "the blood on his hands" or profound of gulit.