True, the narrator can be all of those things. Some examples include the following:
Major Character who's the narrator: Hazel Grace Lancaster in The Fault in Our Stars
Minor Character who's the narrator: Nick Carraway in The Great Gatsby
Protagonist: Esther in Sylvia Plath's The Bell Jar (narrated in 1st Person POV)
Antagonist: Amy Dunne in Gone Girl by Gillian Flynn
The magician having fun scaring audiences with his tricks.
Passive voice because usually if an object is undergoing in action you can tell because passive voice is normally used.
<u><em>Answer:</em></u>
The animals win the fight for freedom from humans, only to later lose their freedom to other animals. ( second choice)
C. Description
That's the answer.