Answer:
D)good vs. evil
Step-by-step explanation:
Sir Gawain and the Green Knight is an old English story that belongs to the Arthurian stories. It talks about the meeting and the fight of Sir Gawain, one of the knights of the Round table, and the mysterious Green knight.
The theme of the story is chivalry and honor, as well as the battle of good and evil between the two knights. It talks about following the codes of behavior and respect the values, which present the forces of good and morality. It is tied to the Christian concepts and principles of rightful and noble behavior.