D is the correct answer :)
The correct answer is argumentation, or argumentative writing.
It is a type of writing where the author is giving his or her arguments as to why they believe their position is the correct one. He or she is explaining why their ideas should be respected, even though they are controversial and unlike those of other people.
Denouncement is a good one you might find sometimes denouncer
Answer: Being left out.
Explanation: They leave her out of going to get ice cream after school
Main: What is autism?
1-5 ideas:
How does it affect those who have it and those around them?
What are the symptoms?
How is autism caused?
What are the statistics for autism? (What percent has it)
Can it be prevented?
Can it be cured?
I honestly know very little about autism, but I hope this is helpful, I did some brainstorming, but if you need more ideas let me know.