mjchey
Answered

Which sentence does not contain any errors in comma usage?   A. We have seen apes at the zoo on TV and in movies.   B. We have seen apes at the zoo, on TV, and, in movies.   C. We have seen apes at the zoo, on TV, and in movies.   D. We have seen apes at the zoo on TV, and in movies.

Answer :

Demon
it should be C. 
if you read it out loud with pauses for the commas it sounds good 
C is the correct answer