Which of the Following Concepts Was Established Through the Experiment

Multiple Choice

Which of the following concepts was established through the experiment with Little Albert?

A) For successful conditioning to occur,the presentation of the CS must precede the presentation of the US.
B) Shaping is a useful technique for training animals to complete complex tricks.
C) Humans are predisposed to fear some stimuli (e.g. ,snakes) more than other stimuli (e.g. ,guns) ,regardless of the level of threat they pose.
D) Phobias may be learned responses to previous experiences.