Final answer:
The student accusing the teacher of trying to fail everyone due to the student's a) anger about failing is an example of projection, a psychological defense mechanism.
Step-by-step explanation:
The student who is angry about failing a test and accuses the teacher of trying to fail everyone is demonstrating the psychological response known as projection.
Projection is a defense mechanism where a person attributes their own unwanted thoughts, feelings, or motives to another person. In this case, the student is projecting their feelings about the situation onto the teacher, rather than accepting personal responsibility for failing the test.