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
HCL secretion is stimulated by: 
Select and explain. 
A. Secretin, B. Somatostatin, C. Histamine, D. All
C: Histamine
Answer: C: Histamine 
Explanation: C i.e. Histamine