Billy's Third Grade Teacher Read in His File That He

Billy's third grade teacher read in his file that he has a history of being a trouble maker. When Billy accidently drops his pencil on the first day of school, his teacher immediately takes five minutes off his recess time, which in turn causes Billy to talk back to her. She smiles at him and says, "I knew you were going to be trouble!" What concept is being depicted in this scenario?

A) stereotype
B) social cognition
C) self-fulfilling prophecy
D) social bias