Answer:
The correct answer is option C. rhetorical device.
Explanation:
We use a rethorical device to have an effect on our audience.
The author uses the rethorical device through repetitions, rhetorical questions, alliteration, analogy, figurative language, etc. With them he will persuade the public to provoke an emotional response to what is being said or written.
This technique will make the text or speech more enjoyable.