The Tit-For-Tat Strategy Is

Multiple Choice

The tit-for-tat strategy is:

A) one in which a player in a repeated game takes the same action that his or her opponent did in the preceding round.
B) one in which both players explicitly agree to compete in the first round of a repeated game, and if one of them cooperates, the other will defect.
C) not effective in prisoner's dilemma type games.
D) All of these statements are true.