Part to whole (sorry if Im wrong)
The suffix "infer" means an informative guess from evidence or reasoning.
C. To provide hope for the citizens.
The leader talks about encouragement and promising signs, also saying things are turning around. It isn't D as there is no decision needed to be made, not B as there is nothing boasting about the greatness of war, and not A, as it isn't persuading anyone to do more, it's just telling them not to lose hope.
They are both considered metaphors, yes. The light of my life means the happiest thing that you have ever known. It's kind of an exaggeration, but it's metaphor. Roller coaster of emotions means that your mood swings up and down and all around like a roller coaster. I hope this helps you!
A physical therapist is there to help you heal and be able to move correctly after suffering an injury. They are responsible for doing just that. They slowly train your body that it's okay to move a certain way again.