Answer:
The answer is B
Explanation:
It is the most gramatically correct choice
Options two refers to the author being a teenager himself so he would be reliable for this info because it is firsthand.
Start with the main topic and then break into sub categories
Ex:
Subject : cat meme
Sub: how did cat meme start
Sub: what are cat meme
Sub: how to make your own cat meme
Conclusion and thesis