During music class, Lisa enthusiastically sings aloud with her class, but the teacher comments,"Lisa, please...you sound like an owl in a torture chamber." Lisa turns bright red. The next week she feels ill when it is time to go to music class again. Feeling anxiety at the prospect of going to music class is an example of:.
A) an unconditioned stimulus.
B) classical conditioning.
C) cognitive learning.
D) social learning.

B) classical conditioning.                  

Explanation:

In psychology, "Classical conditioning" is one of the famous learning theories that was proposed by a psychologist named Ivan Pavlov while researching with the dogs.

In classical conditioning, "conditioned stimulus" generally produces a behavioral response i.e, the conditioned response while becoming connected with a naturally occurring or unlearned stimulus i.e, the unconditioned stimulus.

As per the question, option B is the correct option.

Classical conditioning

Explanation:

Classical conditioning can be defined as a form of learning in which the conditioned stimulus gets associated with the unconditioned stimulus which produces a response known as conditioned response.

In this case also the girl was not appreciated for singing by the teacher in the music class so a negative response is attached to the stimulus and again when she is asked to go to the music class she is feeling anxiety.

This is because she is getting the memory of the last music class which was not so good for Lisa.

i think it's b or c hope this