This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Which of the following hormones is used in the adjuvant treatment of depression? 
Select and explain. 
A. Progesterone, B. Coisol, C. ACTH, D. Levothyroxine
D: Levothyroxine
Answer: D: Levothyroxine 
Explanation: The connection between thyroid function and mood disorders has been known for more than a century since nineteenth-century physicians noticed that hypothyroidism was accompanied by depression. b. All the hormones of the hypothalamic- pituitary-thyroid axis have been used in the treatment of depression, alone or in combination with other agents, although the most commonly used are liothyronine and levothyroxine. REF: Katzung 12th ed