3.依據DSM-5，將原先DSM-IV-TR中有關Somatoform disorders的診斷和歸類作了改變，下列何者正確？ (A)Pain disorder改放於Other specified dissociative disorder (B)Conversion disorder改放於Neurocognitive disorders (C)Hypochondriasis改放於Anxiety disorders and depressive disorders (D)Body dysmorphic disorder改放於Obsessive-compulsive and related disorders