The answer to this would be “right”
A best supports the argument because it is the only answer that describes the pros of having mice as pets, while the others provide tips and facts upon adopting them.
Can you comment the article because there's no image on a article. Hope this helped, you probably didn't notice.
This is a sentence because it has a subject and a predicate. a fragment is not a complete thought/idea.
The answer is C because it’s the only answer that relates to the main idea of the story