the preposition is c) Under
First is 2
Second is 2
Third is 1
Fourth is 2
The correct answer is sympathetic.
If you read Beowulf, you will see that Grendel is a vicious monster who doesn't care about humanity at all - people are there just for him to eat. On the other hand, if you read Grendel, you will see what happened from his point of view - that he is not just a brainless beast, and that he has thoughts and feelings.
It helps the bird to reach food in hard to get to places.