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
Flight of idea is seen in 
Select and explain. 
A. Mania, B. Schizophrenia, C. Depression, D. Delirium
A: Mania
Answer: A: Mania 
Explanation: A i.e. Mania