Figure of speech is the answer.
In "Tell Tale Heart" by Edgar Allan Poe, the beating heart the narrator heard symbolizes, at least in my opinion, the narrator's guilt.
He killed a man, and he kept hearing his beating heart, even though it was impossible. He kept hearing it because he felt guilty because he murdered a person, and he had to come clean to the police officers in some way. If he hadn't, he would go completely mad, and his crime would go unpunished, probably.
Embracing literary, musical, theatrical, and visual arts, participants sought to reconceptualize “the Negro” apart from the white stereotypes<span> that had influenced black peoples’ relationship to their heritage and to each other. They also sought to break free of Victorian </span>moral<span> values and bourgeois shame about aspects of their lives that might, as seen by whites, reinforce racist beliefs. </span>
Answer: D) Tone.
Explanation: The tone of a poem, a story or even a sentence is the attitude of the text (the author's or speaker's attitude) towards the subject, theme, audience or even the characters. There are many differents kinds of tones: happy, sad, angry, positive, negative, objective, subjective, etc. According to that definition, the correct answer is the corresponding to option D.