Question

Grendel’s ancestors were banished to the slime because they ________.

were monsters
were descendants of Cain
opposed the Lord’s will
had disturbed Hrothgar’s hall

Answer 1

The correct answer is were descendants of Cain

Considering that Cain is considered to have committed the first murder having killed his brother, it is logical why his descendants would be banished and considered to be cursed or bearing bad blood.