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': '"Red current jelly" stool in an infant is characteristic of \nSelect and explain. \nA. Acute gastroenteritis, B. Rectal piles, C. Intussusception, D. Fisure-in-ano', 'role': 'user'}, {'content': "Answer: C \nExplanation: Initially, the passage of stool may be normal, whereas, later, blood and mucus are evacuated - the 'redcurrant jelly' stool.Vomiting may or may not occur at the outset but becomes conspicuous and bile-stained with time. Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1194", 'role': 'assistant'}]