Answer:
B
Explanation:
When plugged into the sentence, it would be Robert has been ill for three weeks. He's still in the hospital. Had been and was both reference that Robert had been ill in the past, so that wouldn't work as he's still ill in the present. As for C, it frankly just doesn't work or make any grammatical sense whatsoever.
Grendel is a fictional character, a creature defeated by Beowulf in the Old English poem Beowulf from 750 ce...
Grendel symbolizes evil and jealousy.
<u>Descended from the biblical Cain, Grendel is an outcast, doomed to wander the face of the earth.</u>
Grendel represents evil, so the poet's Christian worldview turns him into a fiend from hell.