Try skimming through the pages.
I believe that the answer is B.Odysseus learned much and encountered many obstacles on his long journey to bring himself and his men home safely.
Hope this helps.
Harry’s parents were killed by voldemort when he was a young boy. this means that until he was 11, he had no real family whatsoever considering that the dursley’s treated him so poorly. we see a desperate side of harry usually in this book because he has been brought into this world where he realizes that he belongs in. this is why he is a protagonist