Which of the Following Describes an Ultimatum Game

Multiple Choice

Which of the following describes an ultimatum game?

A) One player makes an offer and the other player can choose to either accept or reject.
B) One player makes an offer and the other player can choose whether to accept or make a counteroffer.
C) Both players make offers in a repeated sequential game.
D) A moderator makes an offer to each player, after which they can choose to play the game or not.