Sounds very clear and literal. I would limit the number of times "supporters" was stated. (Maybe you could replace it with a word that has the same meaning so that your text could be more diverse).
Other than that, it's a great passage!
What do you mean by that it doesn’t make sense
Answer:
Sometimes, an author tries to represent or introduce their own alter ego as a character in a story. They use a fictional character to express a secondary personality that they may feel they have but don't show in real life.
Answer: A
Explanation
I think this because why would they use fossils for suspects or wittinesses which leaves the distraction and the answer, A