Rhetoric is defined as

rational ideas used to support a claim.
written or spoken words used to make a point.
patterns of stressed and unstressed sounds.
patterns of repeated words and phrases.

Which best explains how melville uses his description of ahab in chapter 28 of moby-d ick to comment on the nature of man? through ahab, melville symbolizes how guilt can take over a man’s life. through ahab, melville symbolizes how obsession can take over a man’s life. through ahab, melville symbolizes how inaction can ruin a man’s life. through ahab, melville symbolizes how isolation can ruin a man’s life.