What Was the Rationale Behind the DSM-5 Change in the Name

What was the rationale behind the DSM-5 change in the name of the diagnosis "social phobia" to "social anxiety disorder"?

A) Social phobias tend to be more pervasive and cause more interference with daily routines than other phobias.
B) A social phobia was termed "social anxiety disorder" in the DSM-III.
C) Many people with social phobias also meet criteria for Avoidant Personality Disorder.
D) Social phobias cause minimal impairment and tend to be of short duration.