What Is the Primary Difficulty with Applying the Criterion of "Social

What is the primary difficulty with applying the criterion of "social nonconformity" to define abnormal behavior?

A) Norms are entirely subjective from person to person.
B) Societies generally accept and view all behaviors as normal.
C) The acceptability of a behavior might be different from one setting to another.
D) Norms do not guide behavior except in rare instances.