When the food is released from the stomach into the small intestine,why is the environment no longer acidic?

A)Secretin increases the flow of bicarbonate ions from the pancreas into the small intestine to neutralize the stomach acid.
B)Enterokinase activates trypsinogen, thus neutralizing the stomach acid.
C)Bile salts from the gallbladder neutralize the stomach acid.
D)When pepsinogen activates pepsin, one result is the neutralization of stomach acid in the stomach.
E)Cholecystokinin stimulates release of basic molecules to neutralize the influx of acid contents from the stomach