A independent clause has a verb and a subject.It can stand alone.
Example:
I enjoy sitting by the fireplace and reading.
Waiting to have my car's oil changed is boring.
She wants to travel the world and see wonderful sights.
I think it is b as it shows how horrible it is
the action or process of reasoning systematically in support of an idea, action, or theory.
An opinion may create major changes in the laws or policies of the United States.
