Which of the Following Findings Provides the Soundest Support for the Assertion

Which of the following findings provides the soundest support for the assertion that we learn aggression by observing others and imitating them?

A) Aggressive children often have aggressive parents.
B) Alleged criminals often use the "Kojak" defense.
C) Children who watch an adult assault a "Bobo" doll will imitate that behavior in the laboratory.
D) There is a high correlation between watching TV violence and aggressive behavior, and that correlation increases with age.