Which of the Following Is True of Hair Cells

Which of the following is true of hair cells?

A) Afferent axons form connections with the outer hair cells.
B) Damage to the inner hair cells impairs hearing.
C) Outer hair cells are necessary for hearing.
D) Thin unmyelinated axons form connections with inner hair cells.
E) The outer hair cells provide 95 percent of the signals carried by the cochlear nerve.