This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and Investigations, Subject name: Forensic Medicine
[{'content': 'All of the following are the features of the displayed pelvis except: \nSelect and explain. \nA. Sub-pubic angle more obtuse, B. Pelvic inlet circular shaped, C. Triangular obturator foramen, D. Sacrum long and narrow', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (D). Sacrum long & narrow.The displayed pelvis shows circular pelvic inlet, sub-pubic angle more than 90deg, sacrum short & wide, which are suggestive of female sex.', 'role': 'assistant'}]