If a Teacher Were Told at the Beginning of the School

If a teacher were told at the beginning of the school year that one of her new students was a trouble maker, she might keep a very close eye on that child and treat any misbehavior on the child's part with harsh discipline. Over time this child might become angry and resentful and might begin to act out even more. The teacher's early expectations for this child have become a

A) self-fulfilling prophecy.
B) "boy problem".
C) stereotype threat.
D) biased perception.