What is the most effective concluding statement? Rainsford’s hunting experience and clever defenses surprise and challenge Zaroff.
Rainsford is a better quarry than Zaroff’s other captives in the challenging jungle hunt.
In Zaroff’s cruel hunt, Rainsford proves that he is a challenge to catch and to kill.
In Zaroff’s game, Rainsford is more of a challenge than Zaroff expects him to be.

THE ANSWER IS A. USING FOR LATER REFERENCE.