When Diana Was Three Years Old, She Became Terrified When

Multiple Choice

When Diana was three years old, she became terrified when the neighbor's budgie bird kept flying near her head. Today, she is afraid of all birds, including robins, pigeons, and blue jays. Diana's fear illustrates the classical conditioning process of

A) preparedness.
B) stimulus generalization.
C) stimulus discrimination.
D) negative avoidance.