The 3 elements are Conflict, Decision, and Lesson
A
The sentence is set up in a way that the dog would appear to have pink and purple dots; the adjective phrase "with pink and purple dots" should come right after the word "sweater".
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.
