D
This sentence combines all of the original thoughts: the experience was bad, the subject was babysitting their neighbor’s two-year-old, and they almost lost them.
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.