Sentences are the vehicles for expressing complete thoughts. An idea is similar to a thought, which are then put into words, using structure those ideas are expressed with words in a proper sentence.
In Beowulf, he is a flat character, but in Grendel, he is a round character.
In Beowulf, Grendel is nothing but a mere monster, brainless, with no actual motivation other than to cause pain to people. We don't know much about him apart from the fact that he likes to kill.
On the other hand, Grendel in Grendel is different - he has human qualities, we can clearly see what his motivation is, and he almost seems more human than actual humans.
I would either say A. or C. Reproach means to address someone in such a way to show disapproval .
hope this helps(:
D. simple and conversational
