Sergeant O'Reilly groped through the darkness of the bunker for the source of the squeaking. To his surprise, he discovered a dirty, furry little kitten. He'd never liked cats, but will death all around him, it seemed important to embrace life. O'Reilly opened his canteen and gave the kitten a drink before rinsing off his fur. "Now, how are we going to get you out of here, little guy?" he asked.

Which statement best explains how the setting in a bunker on a battlefield affects the plot of his story?
A. It makes the rescue of the kitten both more difficult and more emotional.
B. it shows how adorable and lovable the kitten truly is.
C. It helps the author show how cruel war is to the most innocent.
D. It explains why Sergant O'Reilly feels that a kitten cannot take priority.