Metaphors are used by authors and poets so as to depict the intensity of their thoughts. The kenning "hell-forged hands" in line 64 suggest about Grendel that option D: Grendel is a creature from hell and is pure evil.
<h3>Use of metaphors and kenning</h3>
The above answer is explained in further detail as given below:
Kenning refers to phrases that were used in Old English and they had some sort of metaphorical meanings as well.
Here, the hell-forged hands are depicting that Grendel is being called a creature who is pure evil and that he must have come from hell.
