Answer:
B. self-fulfilling prophecy
Explanation:
Self-fulfilling prophecy: In psychology, the term "self-fulfilling prophecy" is described as a "socio-psychological phenomenon or technique" related to someone who ought to expect or predict about something and then this expectation or prediction turns out to be true or correct just because he or she believes it and then his or her resulting behavior is being aligned to complete those beliefs. However, individual beliefs can influence his or her behavior.
In the question above, Miriam’s behavior is an example of a self-fulfilling prophecy.