What Does the Evolutionary Perspective on Learning Suggest

What does the evolutionary perspective on learning suggest

A)  Because all species face the same adaptive challenges, species-specific learning tendencies will disappear as a species evolves. 
B)  Differences in the adaptive challenges faced by various species have led to some species-specific learning tendencies. 
C)  Most species respond to classical conditioning, but only mammals show operant conditioning. 
D)  Most species respond to operant conditioning, but only mammals show classical conditioning.