Answer :
The lines show that Grendel have more characteristics that fit an animal than a human. Moaning after eating is also a non-human characteristic since some animals do that. In Beowulf, Grendel is a demon who eats men and tears his food limb by limb.
Grendel's characterization as a monster is because there was alot of characteristics as an animal such as moaning once it eat.
What is characterization?
characterization can be regarded as the making of a fictional character in a work which can be a poem or a paragraph.
Therefore, with the Grendel's characterization, we can see that Grendel is a demon, which looks like animal character and eat flesh.
Learn more about characterization at;
https://brainly.com/question/1393329
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