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': 'Diffuse peritonitis in acute appendicitis is caused due to \nSelect and explain. \nA. Early rupture of appendix, B. Late rupture of appendix, C. Fecolith, D. Old age', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Diffuse peritonitis can develop rapidly because of the underdeveloped greater omentum, which is unable to give much assistance in localising the infection. Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1209', 'role': 'assistant'}]