What Did Toyota Do to Reach World of Warcraft's 2

What did Toyota do to reach World of Warcraft's 2.5 million U.S.players?

A) Toyota sponsored an expansion pack of the game.
B) Toyota purchased the personal information of users from the game company to send e-mails.
C) Toyota used mechanics and pictures in a commercial.
D) Toyota paid to have likenesses of their vehicles appear in the game as product placement.
E) Toyota paid to have ads placed on the game's website.