This is largely based off of personal preference, not factual thinking or reasoning. As such, our two answers would be different.
Answer:
D)It helps reveal that, despite his adventuring, there is still a part of Bilbo that enjoys what is familiar and comfortable.
Explanation:
In the Hobbit Saga, Bilbo Baggins makes a long trip all over the Middle Earth, encountering many characters and living many adventures. However, he returns to his home in the Shire, Bag-End, and the setting at the end of the books tells us that Bilbo Baggins still feels at home in that place.
Explanation:
I believe it's antecedent. There's no commas anywhere so it shouldn't be an appositive phrase.
B is the correct answer
A and C are comparisons
D is the truth , i's figurative