The answer is "stacks." That is the object of the phrase, and since a person is searching for something ON the shelf, they aren't searching for the shelf itself.
Narrator and author. The guide and spiritual leader is Virgil
The other students' in Auggie's homeroom kept their distance from him. the one student, Henry, placed his backpack on the desks between them to "build a wall." the students were not welcoming towards Auggie. Auggie is able to cover his face with a mask, in order to feel like every other kid.
The correct answer is:
Upset by Utterson persistence.
Mr. Utterson, who´s the main narrator in the novel, has a rational, calm and curious personality. He is a lawyer and consequently a respectable and prosperous man in Victorian London. All these traits, in addition to his persistence, lead him to discover the truth about Dr. Jekyll and Mr. Hyde's relationship.
