A 28-year-old presents with at least five days of elevated mood, increased energy, decreased need for sleep, and grandiosity, but has not been hospitalized and continues to function at work. No history of a full manic episode is present. The most appropriate DSM-5 diagnosis is:
- ABipolar II Disorder with a current hypomanic episode
- BBipolar I Disorder with a current manic episode
- CCyclothymic Disorder
- DMajor Depressive Disorder with mixed features