This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood Disorders, Subject name: Psychiatry
Which of the following is/are included in bipolar disorders: 
Select and explain. 
A. Hypomania, B. Cyclothymia, C. Paranoid disorder, D. Option 1 and 2
D: Option 1 and 2
Answer: D: Option 1 and 2 
Explanation: Hypomanic episode and cyclothymia have been classified under bipolar disorders