Answer:
to tell the degree at which the stone fell.
Answer: A. his attitudes towards animals and what it feels like to be the hunted
Explanation:
At the climax of "The Most Dangerous Game", by Richard Connell, Sanger Rainsford has an epiphany about his attitudes towards animals and what it feels like to be the hunted. Sanger Rainford is a hunter, however now is himself who is being chased by the hounds. At this moment, he can experience the feelings that the animals feel when he hunts them.
I believe that it means we never know our full potential, and that we never know how great we are till we are asked to show it.