College Students Are Downloading Very High-Pitched Ring Tones for Their

Multiple Choice

College students are downloading very high-pitched ring tones for their cell phones because their middle-aged professors cannot hear these high pitches due to

A) accumulated damage to the auditory ossicles.
B) numerous punctures to their eardrums over time.
C) having numerous ear infections that created chronic fluid build-up in their middle ears.
D) noise-induced damage to the hair cells in the cochlea.