What? wheres the question?
Prepositions ususally stand before nouns, in this case "on" is the preposition.
It could be concluded that Rainsford kills Zaroff at the end of the story because even though he has left has felt the terror that comes with being hunted, Rainsford is still a merciless hunter.(option D). It might be suggested in the las scene after killing him that he has the ability to sleep so well , maybe because he has become more <span>ruthless or he hasn’t undergone any significant transformation at all.</span>
You should be able to answer this one on your own no? just think back to your elementary years and remember when your teachers made you write “long” essays
Any action makes a consequence.