This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'A 18yr old girl comes to gynaec OPD presenting with 6months A amenorrhea with his low grade fever weight loss pain abdomen generalised weakness On clinical examination pelvic mass felt on left side with features of ascites Diagnosis \nSelect and explain. \nA. TB pelvic with tuboovasion mass, B. ectopic pregnancy, C. Granulosa cell tumour, D. Fibroid with degeneration', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ref : shaw gynecology', 'role': 'assistant'}]