Which response most clearly explains why sir gawayne volunteered to fight the green knight in the poem ""gawayne and the green knight: a fairy tale""? gawayne and the green knight: a fairy tale sir gawayne felt it was an honorable thing to do and his jealousy was aroused when the green knight winked at lady elfinhart and she blushed back at him. sir gawayne felt it was his knightly duty because king arthur offered to fight the green knight and lady elfinhart begged for him to change his mind. sir gawayne felt threatened as he heard the horn of fairyland sound and saw the green knight enter the court. sir gawayne felt annoyed that his flirting was interrupted and he wanted to remove the green knight from king arthur’s court.