Question

what is the purpose of a monologue?
to quickly share a speaker’s thoughts without other characters hearing
to disclose a speaker’s thoughts quietly to the audience
to express a speaker’s innermost thoughts only to themselves without other characters engaging or responding to their words
to reveal their thoughts and emotions to the audience and characters through a moving speech that builds to a climax

Explanation:

A monologue is a speech by one character, expressing inner thoughts. The correct option explains it reveals thoughts/emotions to audience and characters via a speech building to a climax, matching monologue's purpose (e.g., in drama to show depth and progress). Other options misstate (e.g., not just to self, or quiet to audience).

Answer:

D. to reveal their thoughts and emotions to the audience and characters through a moving speech that builds to a climax (assuming the last option is D; adjust identifier if needed, but the text of this option is the correct purpose of a monologue)