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
Commonest hepatotropic virus causing increased chronic carrier state is - 
Select and explain. 
A. HEV, B. HAV, C. HBV, D. HCV
D: HCV
Answer: D: HCV 
Explanation: Chronic carrier stay seem in infection with HCV REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.551