Answer:
I don't know what I ought to do
Answer: You didn't include the article, but I can kind of guess?
Explanation: He believes that all teenagers go through something, and he tells adults to help them, instead of just thinking of them as moody teenagers.
B) Infectious diseases were a great source of concern
<h2>C is the correct answer</h2><h3></h3><h3>I don't know what type of question that is</h3>