Respuesta :
The detail in the excerpt that identifies it as a fantasy is the sentence: Bilbo was going to be eleventy-one, 111, a rather curious number, and a very respectable age for a hobbit.
This shows fantasy as eleventy-one (111) is not an age most humans reach and they refrence Bilbo is a hobbit.
Answer:
The detail that identifies it as fantasy is Bilbo was going to be eleventy-one, 111.
Explanation:
This novel by J.R.R. Tolkien has repetitive elements that define it as a fantasy novel such imagined worlds, mythical creatures and the supernatural. The fact that Bilbo was going to be eleventy-one has these elements Bilbo belongs to the hobbits community which are mythical and fantastic creatures besides the age he is about to reach is unnatural even for a Hobbit.