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
Autism is : 
Select and explain. 
A. Neurodevelopmental disorder, B. Social and language communication problem, C. Metabolic disease, D. Mainly due to hypothalamus damage
B: Social and language communication problem
Answer: B: Social and language communication problem 
Explanation: B i.e. Social &language communication problem