Answer:
The correct answer is C
Step-by-step explanation:
Self serving bias is the procedure of perceptual which is deform by the requirement or the need for maintaining and enhance the self- esteem or the tendency in order to perceive oneself in a manner which is favorable .
In this scenario, when the teacher enters the class on its first day, it directly states the children that by the end of the semester only one of them would in the class with the passing grade. Therefore, teacher states the self serving bias.