Tilt Axiom Entertainment (TAE),a Game Developer,has Developed a New Game,World

Tilt Axiom Entertainment (TAE) ,a game developer,has developed a new game,World Below,incorporating 3D imaging.In order to get wider distribution,TAE took part in the Gaming Entertainment Expo,hoping to sell the game to a distributor.The Expo was attended by both traders and consumers.TAE sent a team of representatives for game presentation and negotiation; and a team of professional and company gamers to showcase World Below at the Expo.The company also sent a team to sell its previous game titles to consumers at the Expo.What kind of promotion mix tool did TAE adopt by taking these games to the Expo?

A) crowdsourcing
B) public relations
C) advertising
D) personal selling
E) crowdcasting