It Is as Statistically "Abnormal" (Unusual)for a Person to Score

It is as statistically "abnormal" (unusual) for a person to score above 145 on an IQ test as it is to score below 55.However,only the lower score is regarded as "abnormal" or undesirable.Thus,one disadvantage of using a statistical defnition of abnormality is that statistical abnormality

A) does not tell us about the meaning of this deviation from the norm.
B) cannot be used to establish the comorbidity of disorders.
C) cannot be replicated a second time to prove validity.
D) tells us more about cultural relativity than the objective aspects of abnormality.