I feel like it's C&A but Idk bc it says that he hunts humans instead of animals is because he believes that man is superior to animals because animals do not feel. To contradict, General Zaroff believes that men are superior because they are able to reason.
I believe the correct answer is B.) Springtime of the peoples. Also known as the year of revolution. The location was Western and Central Europe, which consisted of many of the countries listed above.