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
Lallo 40 years has recently staed writing books. But the matter in this book could not be understood by anybody since it contained words which were never there in any dictionary and the theme was very disjoint. Now adays he has become very shy and self absorbed. When he addresses people he speaks about metaphilosophical ideas. What is likely diagnosis 
Select and explain. 
A. Mania, B. Schizophrenia, C. A genius writer, D. Delusional disorder
B: Schizophrenia
Answer: B: Schizophrenia 
Explanation: B i.e. Schizophrenia