The Combining Form Labyrinth/o Refers to the Anatomic Structure That

The combining form labyrinth/o refers to the anatomic structure that is the

A) bony spaces within the temporal bone of the skull made up of three distinct parts,the cochlea,the semicircular canals,and the vestibule.
B) short tube that ends at the tympanic membrane.
C) sensory organs of balance.
D) portion of the temporal bone of the skull posterior and inferior to each auditory canal; contains mastoid air cells that drain into the middle ear cavity.