Once a Week,a Cat's Owner Used an Electric Can Opener

Multiple Choice

Once a week,a cat's owner used an electric can opener to open a can of tuna,and then fed the cat out of the can.The cat learned to salivate at the sound of the opener,but then the opener broke.While the appliance was in the repair shop,the owner used a manual can opener.The cat did not salivate at the sound of the manual opener.Once the owner was using the electric opener again,the cat again salivated at the sound.This salivation after the repair is an example of:

A) habituation
B) spontaneous recovery
C) sensitivity
D) extinction