A Few Years Ago,while Stopped at a Red Light,Noreen's Car

Multiple Choice

A few years ago,while stopped at a red light,Noreen's car was rear ended by a truck.She suffered injuries and was hospitalized after the accident.Since then she has developed a fear of trucks,as well as a fear of red lights.Her fear of red lights illustrates

A) discrimination.
B) spontaneous recovery.
C) extinction.
D) higher-order conditioning.