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
Delusion of grandiosity seen in -a) Hypomaniab) Schizoaffective maniac) Paranoid schizophreniad) Kleptomaniae) Pyromania 
Select and explain. 
A. a, B. bc, C. ac, D. ad
B: bc
Answer: B: bc 
Explanation: Grandiose delusions or delusions of grandiosity (expansive delusions) are seen in mania (including schizoaffective mania), Schizophrenia and organic states.