Mr Murphy Is Weary of Labeling Children in His Class

Mr. Murphy is weary of labeling children in his class as "difficult." Which of the following best explains Mr. Murphy's concern?

A) A child's temperament should never be determined.
B) "Difficult" children always have low IQs.
C) Labeling a child as difficult has the danger of becoming a self-fulfilling prophecy.
D) None of these