When Ken Kisses Barbie,his Heart Races

Multiple Choice

When Ken kisses Barbie,his heart races.For a month,Barbie snapped her fingers just before she kissed him.She stopped snapping her fingers,but now,whenever Ken hears someone snapping their fingers,his heart begins to race.This is an example of ____ conditioning,and finger snapping is the ____.

A) classical; conditioned stimulus
B) operant; conditioned stimulus
C) classical; primary reinforcer
D) operant; primary reinforcer