This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Medicine
[{'content': 'Which of the following is the next most common cause of blood transfusion-related hepatitis after hepatitis B? \nSelect and explain. \nA. hepatitis A, B. Epstein-Barr hepatitis, C. hepatitis C, D. hepatitis D', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Screening for antibodies to hepatitis C has reduced the incidence of this infection, but numerous chronic cases remain. Treatment options include interferon and ribavirin. The hepatitis C virus is a linear, single-stranded ribonucleic acid (RNA) virus. There are at least six distinct genotypes.', 'role': 'assistant'}]