Which of the following statements about cochlear implants is true?
A) Cochlear implants are able to turn sound waves into electrical signals that are sent straight to the auditory nerve.
B) Cochlear implants are able to regrow damaged parts within the inner ear.
C) Cochlear implants enhance the hearing capabilities beyond normal human capacity.
D) Cochlear implants enhance the volume of incoming sound waves so that people can hear better.