To Observe Conditioning, One Could Ring a Bell and Squirt

Multiple Choice

To observe conditioning, one could ring a bell and squirt lemon juice into Johnny's mouth.By repeating this procedure several times, you could condition Johnny to salivate to the bell.Conditioning will be most rapid if the US follows immediately after the CS.In this example, the US would be

A) the lemon juice.
B) the bell.
C) salivation to the bell.
D) salivation to the lemon juice.