In Order for a Person with Bipolar Disorder to Be

In order for a person with bipolar disorder to be described as going through rapid cycling,he or she must experience

A) four or more episodes of mania or depression in one year.
B) six or more episodes of mania or depression in six months.
C) three or more episodes of mania or depression in one month.
D) three or more episodes of mania or depression in three months.