Which of the Following Describes When a First-Mover Advantage Can

Multiple Choice

Which of the following describes when a first-mover advantage can happen?

A) It occurs when a player chooses an option that the other player would not expect, taking the second player by surprise.
B) It occurs when a player makes the move that the other player had announced intentions to make.
C) It occurs when a player preemptively commits to an aggressive position, and the other player's best response will be less aggressive.
D) It occurs when a player chooses their best response before the other player chooses, regardless of how this impacts the other player's options.