Symbols can be a meaning used for anything. Everything around you is a symbol or reminds you of something
They usually use physical force to make sure they're safe.
I think the answer is D.) To fly
I searched what infinitive means and this is what I got.
Hmmm... My best guess would be Character vs. Character, it seems he is talking about that one person in the middle. BUT!!! It could also be character vs. Society. Your best guess would Be, CHARACTER VS. CHARACTER!
Have a good one! <3