Green Knight thinks honesty is important, as is evident by lines about repeating in own words, swearing on one's own words, and managing to find. Thus, options B, C, and D are correct.
<h3>What is the idea of Sir Gawain and the Green Knight?</h3>
Sir Gawain and the Green Knight is a chivalric romantic poem that shows the relationship between courtesy, courtliness, Christianity, and sin. In the poem, Green knight thinks that honesty is an important factor.
It is evident when he asks the person to swear on their words and to repeat their words so as not to go back to make the sin of lying and committing perjury.
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