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
Pancreas produce: 
Select and explain. 
A. Pepsinogen, B. Chymotrypsinogen, C. Hydrochloric acid, D. All of the above
B: Chymotrypsinogen
Answer: B: Chymotrypsinogen 
Explanation: Enzymes in pancreatic juice are trypsin, chymotrypsin, pancreatic lipase and amylase.
Stomach produces gastric juice, which contains pepsinogen, rennin, gastric lipase, HCl, intrinsic factor and other inorganic substances.