The answer to that is his mother and sister.
The story is set in Scandinavia in the 6th century. Beowulf, a hero of the Geats, comes to the aid of Hrothgar, the king of the Danes, whose mead hall in Heorot has been under attack by a monster known as Grendel. After Beowulf slays him, Grendel's mother attacks the hall and is then also defeated.
It is possibly the oldest surviving long poem in Old English and is commonly cited as one of the most important works of Old English literature. It was written in England some time between the 8th and the early 11th century. The author was an anonymous Anglo-Saxon poet, referred to by scholars as the “Beowulf poet.”
Answer:
B. The mockingbird symbolizes the softer side of nature, because unlike most wild creatures, it doesn't harm human habitat.
Explanation:
Symbols help us connect ideas from a text with previous real life knowledge or things that most likely represent the same to a big audience.
On the excerpt, mockingbirds are represented as innocent creatures that 'don't do anything but to bring joy'. As said on answer B, mockingbirds as nature doesn't harm us, but only is in charge of give resources in order for us to have a joyful life.