Given is the diagrammatic representation of the sectional view of cochlea. Select the correct option regarding it.
(a) A - Organ of corti-responsible for maintenance of balance of the body and posture.
(b) B - Scala vestibuli-filled with perilymph that ends at the oval window.
(c) C - Scala tympani- terminates at the round window which opens to the middle ear.
(d) D - Basilar membrane nerve impulses are generated against it.