The Primary Reason for Body Odor Is

The primary reason for body odor is

A) from the sodium and chloride in sweat.
B) that sweat is basic and most bases give off an odor when exposed to the environment.
C) the bacterial breakdown of fatty acids and proteins in sweat which generates a waste product.
D) because as sweat evaporates the bonds between sodium and chloride are broken which emits an odor.
E) that sweat is acidic and while at rest it degrades skin cells which creates an odor.