Little Baruti Sees a Four-Legged Creature That Makes the Noise,"Woof!

Multiple Choice

Little Baruti sees a four-legged creature that makes the noise,"Woof! Woof!" He points and says,"Dog!" His mother says,"Good,Baruti,good!" Skinner would propose that Baruti saying,"Dog!" is a _____ that comes under control of the stimulus,which is

A) response;his mother saying "Good!"
B) response;the dog.
C) reinforcement;his mother saying "Good!"
D) reinforcement;the dog.