The answer would be b. Medical terminology because that is the basics and that’s what they start you with in a beginner medical class.
Most teens resist using tobacco because they know that it is bad, and if they start they might not be able to stop.
This is not a total answer, it is just my best guess. I hope this helps. If you have any other questions on this or other questions just ask. I am here to help you. As needed.
I'd say the answer is A. As a form of proof that the product does what it claims to do by providing evidence.