Which of the Following Is an Example of Natural Consequences

Which of the following is an example of natural consequences?

A) Jake spills milk on the coffee table and mother hands him paper-towels to wipe up the spill.
B) Tamika pulls the cat's tail and gets scratched on the arm by the cat.
C) After telling Terence not to leave the yard, Terence chases a puppy across the street and Mom puts him into a time-out.
D) D. Josie makes an A on math and her parents let her pick out a special treat.