A Strategy a Is "Dominant" for a Player X If

A strategy A is "dominant" for a player X if:

A) strategy A contains among its outcomes the highest possible payoff in the game.
B) irrespective of any of the possible strategies chosen by the other players, strategy A generates a higher payoff than any other strategy available to player X.
C) strategy A is the best response to every strategy of the other player.
D) strategy A is the best response to the best strategy of the other player.
E) every outcome under strategy A generates positive payoffs.