Which of the Following Often Spread Conditioned Emotional Responses (CERs)to

Multiple Choice

Which of the following often spread conditioned emotional responses (CERs) to other stimuli, which results in a limited fear becoming a disabling phobia?

A) stimulus generalization and higher-order conditioning
B) stimulus discrimination and operant extinction
C) desensitization and stimulus discrimination
D) spontaneous recoveries and superstitious behavior