The answer is A to confirm that the passage is not yet finished. it’s the only one that make sense seeing that fact the More In furthermore is indicating that there is more to be told about something
Because the context of what your speaking about is already given. Your just putting it into your own words.
I'd say the correct answer is the second option. Because while he was alive, Poe lived in poverty because he couldn't earn enough writing poems and stories, he also had to get a job as a critic. Only after he died did people start realizing the importance of Poe's work. And King is still alive, and still popular, receiving numerous awards for many of his works.