Which sentence uses negatives correctly?

A. The dog doesn't never seem to leave me alone.

B. There's nothing wrong with this computer, Dad.

C. I'm hardly never allowed to watch television during the week.

D. I couldn't find no clean socks in the drawer.

The sentence which uses negatives correctly is:

B. There's nothing wrong with this computer, Dad.

There are two negative words used in the sentence: nothing and wrong. But o examine closely, the double negatives turn the sentence into a positive one, therefore creating balance and avoiding redundancy.