Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) The liver is the first organ that has the opportunity to process or store nutrients after absorption.
B) The circular folds, the villi and the brush borders at the surface of the small intestine, effectively increase the surface area in contact with food molecules.
C) Insulin and glucagon are two important pancreatic enzymes for the digestion of carbohydrates, especially to yield glucose.
D) The microorganisms in the colon obtain energy principally by breaking down dietary fibre, which cannot be broken down by the pancreatic enzymes.
E) Gut transit time is the period that food takes to pass through the stomach, small intestine and large intestine. Ideally the gut transit time should be about 12-48 hours.