Select the Appropriate Path of Sound Waves

Select the appropriate path of sound waves:

A) sound waves - outer ear - tympanic membrane - middle ear - inner ear - electrical impulse - acoustic nerve - brain - sound
B) tympanic membrane - inner ear - acoustic nerve - electrical impulse - brain
C) sound waves - tympanic membrane - outer ear - inner ear - acoustic nerve - electrical impulse - brain - sound
D) outer ear - tympanic membrane - inner ear - electrical impulse - acoustic nerve - brain - sound