Rescorla's Modern Conceptualization of Classical Conditioning Is Based on the Idea

Multiple Choice

Rescorla's modern conceptualization of classical conditioning is based on the idea that:

A) the CS substitutes for the UCS.
B) there is a biological readiness for conditioning to occur between the CS and UCS.
C) the CS has to provide an expectancy about the coming of the unconditioned stimulus.
D) reinforcement must occur by providing a pleasant event.