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': 'Uterus bicornis bicollis is characterized by all except \nSelect and explain. \nA. Single vagina, B. Two cervix, C. single cervix, D. Two uterus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]