This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Anatomy
[{'content': 'Incase of unstable lie of fetus the placenta is usually \nSelect and explain. \nA. Cornual, B. Lateral wall, C. Fundus, D. Lower segment', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Unstable lie is seen in placenta pre', 'role': 'assistant'}]