Which state to is correct regarding the bipolar disorders diagnostic class of DSM-5 in comparison with earlier versions of DSM?

A. Anxious distress has been eliminated as a feature of bipolar disorder.
B. Bipolar disorders have been consolidated under the diagnostic class of depressive disorders.
C. Cyclothymia has been elimanated.
D. Increased activity or energy has been added as a new core mood elevation symptom.