Answer:
He recalls a war, a battlefield, with soldiers maimed and dying for Jonas. Jonas is a young guy in the memory who offers another severely injured soldier water and then remains with him until he dies. Jonas is hurting, and the pain he's in is unbearable.
C. Skimming allows you to quickly look for details in a text or get the basic idea of its contents.
You have to show us or tell us the story that goes with this.