Reaching a Nash Equilibrium Means That

Multiple Choice

Reaching a Nash equilibrium means that:

A) the players have reached a stable outcome where neither of you would wish to change your strategy once you find out what the other player is doing.
B) the outcome will be positive-positive.
C) a cooperative equilibrium has been reached.
D) the players have failed to reach a stable outcome because one player will always wish to change his strategy once he finds out what the other player is doing.