In an Experiment Studying Predator and Prey Relationships, a Scientist

In an experiment studying predator and prey relationships, a scientist offers a naïve toad a bumblebee as food.The bee stings the toad when the toad tries to catch and eat the bee.Subsequent feeding trials with the toad reveal that the toad avoids feeding on bumblebees.This is a demonstration of

A) non-associative learning on the toad's part.
B) associative learning on the toad's part.
C) ultimate learning on the toad's part.
D) proximate learning on the toad's part.