Which sentence does not contain any errors in comma usage?
a. Otters live in cold waters eat mostly fish and float on their backs.
b. Otters live in cold waters, eat mostly fish, and, float on their backs.
c. Otters live in cold waters, eat mostly fish, and float on their backs.
d. Otters live in cold waters eat mostly fish, and float on their backs.

Respuesta :

The answer is C. Otters live in cold water, eat mostly fish, and float on their backs.