I think it would be present tense
Perhaps all the above - there will be people who don't necessarily have great morals and temperament, but they will attempt to portray themselves in a brighter light, accomplish their purpose whilst capturing the reader's attention all at the same time. B, however, I'm not too sure with that, so it's your choice if you choose to circle A, B, C and D rather than A, C and D.
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.
