i'm sorry, but I don't see any excerpt here.
I say the antagonist, because the devil is agaisnt the main protaginist.
In the book Peter is about to be left alone in Vola's house. I think he will try and escape, because he really wants to find Pax with nothing to slow him down.
I'm quite sure the answer is C. Mia is hoping to return to the island of her birth.
I chose this answer because an infinitive phrase group of words consisting of an infinitive. This answer contains both.