The correct answer is:
D. Two brothers kill one another in battle.
The statement above summarizes the passage from the play Antigone by Sophocles.

Answer:
Mental disorder
Also called: mental illness
A wide range of conditions that affect mood, thinking and behaviour.
MOST COMMON TYPES
Clinical depression
A mental health disorder characterised by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.
Anxiety disorder
A mental health disorder characterised by feelings of worry, anxiety or fear that are strong enough to interfere with one's daily activities.
Bipolar disorder
A disorder associated with episodes of mood swings ranging from depressive lows to manic highs.
It's basically telling you to write a sentence with that information.
The protagonist would be the main (or one of the main) characters in a narrative, while an antagonist would be the villain. The antagonist does not have to be human. An antagonist can be sickness, natural disasters, an animal, or anything else that gets in the way of the protagonist.
So the answer would be C. An antagonist.
I believe your answer is C. fear; acceptance.