I believe it is C. Allusion.
Because Radley is much older than them, and Scout, Jim, and Dill find him interesting because of this.
Answer:
Yes, almost any device is if you use it for educational purposes.
Explanation:
1, they are thoughtful, but poor
2, they knew what each other cherished and had gotten each other a gift to suit their passions, wisdom is the quality of having experience, knowledge, and good judgment
3, Jim got Della a set of hair brushes by selling his watch, and Della sold her hair to afford a chain for Jim’s watch, neither of them can use the gift for they had sold them to get the gifts.
Its either disappears or escapes from the sight (although both kinda mean the same thing in a way)