In a Classical Conditioning Experiment, an Experimenter Declares a Flash

Multiple Choice

In a classical conditioning experiment, an experimenter declares a flash of light to be the CS, an electric shock as the US, and a fear reaction as the UR (as well as, eventually, the CR) . The acquisition phase of this experiment would involve presenting:

A) the shock by itself
B) the light by itself
C) the light with the shock
D) the shock with the fear