For Each Example in the Items Below, Identify the Lettered

For each example in the items below, identify the lettered item naming the "wave" or generation in the development of behaviorism to which the item is most closely associated. A lettered item may be the correct answer more than once or not at all.
-Included principles of classical and operant conditioning, social factors of modeling and imitation, and cognitive factors of thought, image, and expectation.

A) First wave/generation
B) Second wave/generation
C) Third wave/generation
D) All of the above
E) None of the above