ANSWER ASAP!!!!!!!!

Which statement regarding dialogues in multiplayer games is true?
A.
Dialogues are based only on players’ actions.
B.
Dialogues are restricted to the game’s characters.
C.
Dialogues may be between the game’s characters as well as the players.
D.
Dialogues serve the sole purpose of advancing the storyline.
E.
Dialogues are based only on events that have occurred in the game.