I would say D. Because people still wonder about the afterlife even today, because all of the other options are kind of opinionated. This answer is a claim that has real truth to it, unlike the others, which are pretty subjective.
Answer:
i think it is b: to make the Lethargarians seem more realistic to the reader
Explanation:
What paragraph? can you attach an image?
I would say that when measuring how trustworthy someone is in a story, you should look for the tone of how their dialogue is written, If any body language is described ( devious smile, glancing, etc.) that may also be a red flag signaling that they are not trustworthy. I hope I helped and have a great day! :D