Margaret is convinced that she received a "C" in her chemistry class instead of an "A" because of widespread cheating by her fellow students. She is sure that she must be as capable in the chemistry course as in her other subjects. a. Regressionb. Reaction Formationc. Rationalizationd. Displacement

b. Reaction Formation

Explanation:

Reaction formation: In psychology, the term "reaction formation" is described as one of the different types of defense mechanisms which were discovered by Sigmund Freud. In reaction formation, an individual generally perceives his or her actual desires or feelings to be legally and socially unacceptable, and therefore he or she attempts to satisfy or convince others or oneself that the opposite scenario is correct or true in an "exaggerated performance".

In the question above, the given statement represents reaction formation.