The answer to this question is B
Rover, Clover, and much much more
Answer:
In Zaroff's opinion, yes, he does give his prey a fair chance to survive. Zaroff will make sure that his human prey are in top physical condition before beginning his hunt. That seems fair. At least he gives them a chance to actually be physically capable of running. I also assume that he gives the prey at least a knife, because that is what he gave Rainsford.
The main characters are as follows:
Harry Potter
Hermione Granger
Ron Weasley
Cedric Diggory
Viktor Krum
Fleur Delacour
Albus Dumbledore
Draco Malfoy
Rubeus Hagrid