Answer: you don’t have options on here
Explanation:
The correct answer is A. When the subject of a sentence is singular, add "_s" to the base form.
An easy example is "to exist", the base form is "exist" and A strawberry exists shows that you add s when a singular subject is used.
My dad used to say that the city lights always look best at midnight.
It does not adress the content of what is said but the way it's presented. Therefore also applies to rhetoric since whenever you say anything to promote anything you use rhetoric so that the listener would become interested in whatever it is you are trying to promote