In Ward Robinson's Study, a Light Was Paired with a Sound

Multiple Choice

In Ward Robinson's study, a light was paired with a sound which pigeons learned was a conditional stimulus (CS) predicting the delivery of grain. The pigeons treated the light as if it

A) had the properties of the UCS.
B) was another CR.
C) had no relationship to the UCS.
D) was unrelated to the CS.
E) had the properties of the UCR.