This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Depression is a feature of which of the following condition -a) Hypopituitarismb) Hyperthyroidismc) Hypothyroidismd) Hypoglycemia 
Select and explain. 
A. ab, B. abc, C. acd, D. bcd
B: abc
Answer: B: abc 
Explanation: None