The author is trying to communicate to the reader that it is important to value your childhood and not make bad decisions that cause you to regret them. You can infer this from “would I warn her of the future, of the bad things yet to come?” And also, “because my seven year old self, believed the world was a perfect place”.
The correct answer is C) he doesn't like his job and wants to quit as soon as he can. He thinks that his job is way too far, and that it takes him a lot of time to get to it.
