This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
[{'content': 'Slow waves/ BER are in increasing order in the following pas of GIT \nSelect and explain. \nA. Jejunum > Sigmoid colon > Stomach, B. Jejunum < Sigmoid colon < Stomach, C. Stomach > Sigmoid colon > Jejunum, D. Stomach < Sigmoid colon < Jejunum', 'role': 'user'}, {'content': 'Answer: D \nExplanation: "Waves occur 3-4 times per minute in the stomach. In the small intestine, there is an average of 12 BER cycles/min in the proximal jejunum, declining to 8/min in the distal ileum. The frequency of the wave increases along the colon, from about 2/min at the ileocecal valve to 6/min at the sigmoid."', 'role': 'assistant'}]