Aimee Has Trained Her Horse Bosker to "Whinny" at the Sound

Multiple Choice

Aimee has trained her horse Bosker to "whinny" at the sound of a bell and has followed this with the presentation of an apple each time.Bosker seems to automatically whinny every time he hears a bell as he expects an apple.After repeated times where Bosker hears a bell and isn't given an apple,he no longer whinnies at the sound of a bell.What process of conditioning is reflected in this example?

A) Acquisition
B) Spontaneous recovery
C) Extinction
D) Habituation