If the Small Intestine Did Not Release Secretin,the Result Would

If the small intestine did not release secretin,the result would be that

A) the stomach would not release gastric juices to moisten and begin digestion of swallowed food.
B) the gallbladder would not release bile to help the process of fat breakdown.
C) peristalsis would slow down,and food would move very slowly through the intestines.
D) the chyme entering the small intestine would be too acidic for digestive enzymes to work.