You are using subterfuge correctly
What should students focus on while reading the prompt for the essay?
The question that should be asked when characterizing the antagonist is "How do others respond to the antagonist?" Option A is correct.
An antagonist is the character in a story who is against the protagonist.
The antagonist is opposed to, struggles against, or competes with another; opponent; adversary, in literature, it is the adversary of the hero or protagonist of a drama or other literary work.
The English word antagonist stems from the Greek antagonistēs.
There is no "following sentence" so I don't think you're ever gonna get an answer...