Melvin Has Played Electric Guitar for Years at Volumes Much

Melvin has played electric guitar for years at volumes much too loud.Unfortunately,he has permanently damaged his hair cells,and they no longer function.This means that he:

A) cannot identify objects based on sound alone, but can hear sounds
B) cannot tell the difference between two tones of different frequencies, but can hear sounds
C) cannot detect where sounds are coming from, but can hear sounds
D) cannot hear anything