What Is a Zero-Sum Game

What is a zero-sum game?

A) A situation in which the market mechanism determines what a country imports and what it exports.
B) A situation in which a country engages in international trade even for products it is able to produce for itself.
C) A situation in which a gain by one country results in a loss by another.
D) A situation in which limits on imports are often in the interests of domestic producers, but not domestic consumers.
E) A situation in which one country has an absolute advantage in the production of all goods.