What Has Been Proposed to Be the Difference Between Avoidant

What has been proposed to be the difference between avoidant personality disorder and the anxiety disorder, social phobia?

A) there is no difference between these disorders.
B) social phobia is characterized by a fear of social rejection, which is not the case in avoidant personality disorder.
C) social phobia co-occurs more frequently with borderline personality disorder.
D) social phobia and avoidant personality disorder differ in symptom severity.
E) People with social phobia desire affection whereas those with avoidant personality disorder do not want affection.