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: Physiology
Which of the following hormone does not act through c-AMP: 
Select and explain. 
A. FSH, B. Progesterone, C. Estrogens, D. GH
D: GH
Answer: D: GH 
Explanation: GH