Which Rule Would Apply in the Following Situation

Multiple Choice

Which rule would apply in the following situation?
A man had decided to kill his wife for the insurance money. The couple went to an extremely crowded festival, where he cunningly pulled a small gun from his pocket and shot at his wife. He was certain that no one would see him do this among such a crowd. But his plan went wrong when his wife moved to the left and the bullet struck (and caused the death of) another person.

A) Res Gestae Theory
B) Felony Murder Rule
C) Exclusionary Rule
D) Negligent Homicide
E) Doctrine of Transferred Intent