Which of the Following Situations Best Illustrates Instrumental Aggression

Which of the following situations best illustrates instrumental aggression?

A) When Buster finds out that his favorite television show has been preempted by the presidential debates, he kicks Gob, who just happens to be standing nearby.
B) After getting fired from his job at the nuclear power plant, Homer pulls out his semi-automatic machine gun and shoots at the squirrels.
C) Karen pinches Grace until Grace finally moves out of the way so that Karen can get to the liquor cabinet.
D) Edith stabs Archie with a fork when she finds out that he forgot her birthday.