The answer to this question is:
Sentence 3
Stating that "they want people to slow way on down" does not have a clear message. Certain words need to be added and removed to make this understandable. Therefore, sentence 3 messes with the tone of the paragraph.
Hope this helps!
You could say:
Drug use is bad for society because it ups the poverty rate, increases crime, and causes many people to overdose.
I would say, it’s b, ‘what rewards will I get from using this source’
I didn't read the book but i checked this other site and it said c.Scream(NotSure)