Which line from "Grendel" best shows the darker side of the character Beowulf?

A) "The sun's gone dim, and the moon's turned black; for I loved him, and I love him still."
B) "So times were pleasant for the people there until finally one, a fiend out of hell, began to work his evil in the world."
C) "Fate often saves an undoomed man if his courage is good."
D) "A blankness, a remoteness, like the sleep of stone."