The chef tasted the soup by taking a very small spoonful
These lines are from a Monologue by Puck, at the end of A Midsummer Nights Dream, a comedy by Shakespeare.
This comedy has 5 acts, and this monologue is at the end of the last act, which has only one scene.
The correct answer is:
D. At the very end of act 5
Rainsford does not hold human life on the same level as animal life. For Rainsford hunting is a sport or a means to gain food, not a mere even to simply kill for the love of killing.
Zaroff's ideas counter this in that Zaroff has progressed to the point where killing humans, the most intelligent beings, has become a sport to him.
The bottom line is that the two men have different world views which influence their actions.
It is a figurative way of describing gaining control