Why do writers of persuasion use rhetorical devices such as repetition?

Ato link ideas or emphasize main points
Bto show technical knowledge
Cto obscure the underlying meaning
Dto promote audience participation

Verified Answer :

writers of persuasion use rhetorical devices to link ideas or emphasize main points

The answer is : A : to link ideas and emphasize main points.

 Repetition is a rethorical device used to add emphasis in writing and speech, by repeating  the same words or phrases to make an idea clearer. Another purpose is to draw the attention of the readers to a certain idea or something that the writers or speakers choose as significant, important enough to be repeated.