JBWatson Suggested That People Learn Phobias by Pairing a Stimulus

J.B.Watson suggested that people learn phobias by pairing a stimulus with an unpleasant experience.What is a weakness of that hypothesis?​

A) Phobias are more common in some cultures than in others.
B) ​Many people have phobias about objects that have never hurt them.
C) ​Evidence demonstrates that most phobias are inherited.
D) ​Avoidance learning is acquired slowly and extinguished rapidly.