Behaviorism basically believes in _________.

A．are based on stimulus and response
B．have no bearing on human drives
C．are supposed to be highly motivated
D．are of a great mystery

A．People are not used to being conditioned by prizes.
B．Rewards, like punishments, are attempts to control behavior.
C．Rewards are so indispensable to American cultures.
D．The principle of "positive reinforcement" in not fully enforced.