A would be the correct answer because but has a comma has it before it.
In The Most Dangerous Game, Zaroff proposes that Rainsford will be allowed to leave the island alive if Rainsford can survive being hunted by Zaroff.
Answer:
5. Compare/ contrast
Explanation: that one is correct
11. Subtopic (Im a little unsure on this one)
12. Main Idea
13. Supporting detail