Which situation is the best example of a zero-sum game?
A. Through sustainable planning, each tree cut down can be replaced with another one.
B. To keep its numbers strong, recruiters for the military often target young people who have just graduated.
C. In baseball, each team gets three outs per inning, after which it's the other team's turn.
D. Every customer that Mega Incorporated wins over is a customer that one of its competitors looses.
