For a Diagnosis of Bipolar I Disorder, a Person Must

For a diagnosis of bipolar I disorder, a person must have experienced __________, whereas for a diagnosis of bipolar II disorder, a person must have experienced __________.

A) one manic episode, but not necessarily a bout with depression; a current or past episode of depression and a current or past episode of mood elevation
B) a current or past episode of depression and a current or past episode of mood elevation; one manic episode, but not necessarily a bout with depression
C) a mild current or past episode of depression and a mild current or past episode of mood elevation; a long-lasting current or past episode of depression and a long-lasting current or past episode of mood elevation
D) one manic episode, but not necessarily a bout with depression; one episode of depression, but not necessarily a manic episode