What is the purpose of the use of similes in this passage? "The Arkenstone! The Arkenstone!" murmured Thorin in the dark, half dreaming with his chin upon his knees. "It was like a globe with a thousand facets; it shone like silver in the firelight, like water in the sun, like snow under the stars, like rain upon the Moon!"

A The similes show that the Arkenstone is just a myth.

B The similes give the reader an idea of where the Arkenstone might be found.

C The similes paint a vivid picture of the great beauty and wonder of the Arkenstone and also shows Thorin's obsession with it.