Gina Became Ill After Eating Turkey on Thanksgiving and Was

Multiple Choice

Gina became ill after eating Turkey on Thanksgiving and was unable to look at turkey without feeling ill for two months. However, during that two-month period Gina was able to look at chicken without feeling ill. Gina's behavior when presented with chicken is explained by:

A) Generalization
B) extinguishing a conditioned response
C) stimulus discrimination
D) counterconditioning