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: Medicine
Kespar Hauser syndrome is due to 
Select and explain. 
A. Constitutional delayed growth, B. Growth hormone deficiency, C. Growth hormone insensitivity, D. Psychosocial causes
D: Psychosocial causes
Answer: D: Psychosocial causes 
Explanation: None