I believe the correct response would be B. Gene flow.
Answer:
These ideas are too specific to be what the ENTIRE article is about. Instead, those details SUPPORT the central ideas of the text. and conclusion paragraph paragraphs often have a THESIS STATEMENT, which is a main idea sentence that shows what the entire passage is about (similar to your on-demand writings).
I would say this character is round (option C) because "his personality, his background, motives and some other features are delineated by the author". He presents a complex personality like real people. It seems that he has different "layers" with contradictory situations and some transformations. However, his personality seems inconsistent. For example, He bits Aileen, then he treats her well because he knows the truth but he ends up killing her dog.
Answer: I think two years and eight months?
C. is definitely the right answer
