I think that the best answer for this is A. Because he knew that the coldest snaps never froze these springs, and he knew likewise their danger. So in the end he knew they were traps. I hope this helps ;) you are welcome.
C. It shows the reader the focus of the whole piece.
<span>Revenge on Modred for seeking the Throne and Launcelot for committing adultery. Arthur doesn't want to fight with Launcelot. However, Modred gives offering and taunting for battles with Arthur.</span>
the answer is C a well performed dance tells a story to the audience