The answer is c. to your question
I think on a separate page at the end of a document.
A. You need to say that it is chipmunks. Otherwise the reader might infer "these" is in reference to the squirrels.
Character vs. self is an example of internal conflict. Internal conflict deals with ones own conscience. It means that you either struggle with something morally or something very personal to you. It is almost as if you are at battle with yourself to do right or wrong. Something may also be plaguing someone, as in the thought of a suicide attempt.
