When Diana Was Three Years Old, She Became Terrified When

Multiple Choice

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

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