Which of the following is not true about rhetoric?

Rhetoric is the art of effective or persuasive speaking or writing, especially on religious, political, or other serious subjects.

(a) Rhetoric is the art of persuasion.

(b) Rhetoric is the study of language and its effective use.

(c) Rhetoric is the art of listening.

(d) Rhetoric is the art of argumentation.

(c) Rhetoric is not the art of listening. Listening is the process of receiving and understanding spoken or written language. While listening can be an important part of rhetoric, it is not the same as rhetoric itself.