Inviting and familiar, is what I would say. It's an odd question with odd answers.
Answer:
I think the answer is B. To entertain readers by telling a humorous story.
The oter answers don'tmake much sense- there isn't <em>much</em> explanation, they didn't inform you on how to get a cat out of a tree, and the writer didn't say anything about keeping your cat indoors.
So the answer is when she swims she is a fish.