Answer:
I would say D.
Explanation:
"Supporting opinions with evidence." A and B are logical fallacies so no. C is not convincing
The correct answer is the first option
If you have to write about this (never read this) but you could be broad with what you say. Use things such as the timeline of the story, the actions the characters do and the emotions they feel. Of these things are possible in real life then of course it's realistic.