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: Surgery
[{'content': 'Causes (s) of intestinal paralytic ileus is/are \nSelect and explain. \nA. Pancreatitis and pneumonia, B. Peritonitis or abscess, C. Pneumonia viscera, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .Causes of paralytic ileus includes * Postoperative * Infective - pus, blood, bile, toxins, enteritis * Uraemia * Hypokalaemia * Spinal injury * Retroperitoneal haemorrhage * Spinal surgery * Plaster jacket. ref:SRB&;S manual of surgery,ed 3,pg no 869', 'role': 'assistant'}]