I think it would be a because you don't use diagrams to show graphs because they are themselves a diagram
<span>The Knight of the White Moon make Don Quixote promise is B, to return home to live in peace for one year . Don Quixote experiences the Knight of the White Moon, who challenges Don Quixote and makes him promise to go home and remain there for a year on the off chance that he is vanquished. Wear Quixote concurs and the two battle. </span>
I Hope this helps.
If any farther questions lmk
