This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Max. Hepatitis C virus transmission to foetus in pregnancy depends on - \nSelect and explain. \nA. Duration of illness, B. Time of infection, C. Route of delivery, D. High level of HCV RNA', 'role': 'user'}, {'content': 'Answer: D \nExplanation: High levels of hepatitis C virus RNA indicates a higher chance of transmission to the fetus. REF:Textbook of microbiology, Ananthanarayan, and Paniker. Page no.:549', 'role': 'assistant'}]