The character that best supports the assertion that Slaughterhouse-Five isn’t anti-military is: "Edgar Derby" (Option A)
Edgar Derby is a character from Slaughterhouse-Five. He is an English teacher, from Indianapolis who helped Billy when he fell ill in the German POW camp.
A character in literature refers to a person, animal, or thing that the writer uses to advance the dialogue and the plot of the story or play.
Learn more about Characters at:
https://brainly.com/question/24856057