Which Statement Best Describes the Vertebrate Vestibular System

Which statement best describes the vertebrate vestibular system?

A) Three semicircular canals detect movement via fluid that stimulates hair cells in the crista ampullaris.
B) A circular canal detects movement via fluid that stimulates the oval window.
C) Four canals, including the cochlea, detect indirect movement of hair cells.
D) The incus, malleus, and stapes detect movement by amplifying sound to the oval window.