I believe it should be C - documentary.
Thereof, what is the relationship between Victor and Elizabeth? In the original version, Elizabeth is Victor's cousin, the daughter of Alphonse's sister; when Victor is four years old, Elizabeth's mother dies and Elizabeth is adopted into the Frankenstein family. In the revised version, Elizabeth is discovered by Caroline, on a trip to Italy, when Victor is about five years old.
Well to really tell if the person values something in a story u should look at their body language, eyes, and listen for their tone of voice.
If you're asking for main idea, the main idea or thesis statement sentence is sentence 1, where they explain what the passage is about.
You forgot to add a story to the question... I would gladly help you tho ;)