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': 'True about complete mole is \nSelect and explain. \nA. Karyotype is 69,XXY, B. hcG Levels are < 100,000 mIU / mL, C. Marked trophoblast atypia, D. p57kIP2 immunostaining positive', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Marked trophoblast atypia is a feature of complete mole, while the rest are seen in partial mole.', 'role': 'assistant'}]