I believe your answer would be D. 7 Unlicensed teens could be fined an even higher amount for breaking the law.
It goes into detail about the cost of not having their business license. Explaining that the fine would be worse than just paying for the license.
You must be able to cite the source of the information given. This is to verify the accuracy of the research behind the information, to make sure that it's from somewhere reliable.
He moved to the woods to learn and live a purposeful life. So A would be the correct answer.