The correct answer to this question is B, Battle passes. Fortnite is an online video game. It was created by Epic Games and released in 2017. There are three versions to this game. The first is Fortnite: Save the World. Up to four players can play, fighting zombies and defending objects.
The second is Fortnite Battle: Royale. This is the most known because it is the free version. On this one, up to 100 players can fight to be the last one alive. The third is Fortnite Creative, where players can create their own worlds and battles. All of these versions are available through several platforms, including Xbox, Playstation 4, and Windows.