You can look at both sides of the argument and see both sides point of view. You can also do more research on topics of propaganda to see what's true and what's not.
Answer:
I would say A because it's the narrator's opinion that they became a "fearless junior lead detective". Like, others could have thought they were average. If I'm wrong, I'm sorry
Johnathan's attitude toward life is he feels like he does not deserve to live. Everyone else feels like he does.