This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
All of the following are associated with hyper-gonadotrophic hypogonadism in males, except- 
Select and explain. 
A. Viral orchitis, B. Klinefelter's syndrome, C. kallman's syndrome, D. Noonam syndrome
C: kallman's syndrome
Answer: C: kallman's syndrome 
Explanation: kallmann syndrome due to low gonadotropins causing delayed pubey( Harrison 17 pg 2314)