This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carcinoma Ovary, Subject name: Gynaecology & Obstetrics
[{'content': 'M/C symptom of germ cell tumors: \nSelect and explain. \nA. Bleeding, B. Irritable Bowel syndrome, C. Nausea & vomiting, D. Subacute pain in abdomen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. Subacute pain in abdomenRef: William Gynae 3rd/ed, p760"Subacute abdominal pain is presenting symptom in 85% patients."', 'role': 'assistant'}]