This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'MC congenital abnormality of uterus is:a) Uterus didelphysb)  Arcuatec) Unicornuated) Septate e) Bicornuate \nSelect and explain. \nA. ab, B. de, C. cd, D. bd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]