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: Pathology
Hepatitis virus that causes chronic liver disease is? 
Select and explain. 
A. Hepatitis A, B. Hepatitis B, C. Hepatitis C, D. Hepatitis D
C: Hepatitis C
Answer: C: Hepatitis C 
Explanation: HCV also is a major cause of liver disease. The worldwide carrier rate is estimated at 175 million persons (a 3% prevalence rate, ranging widely from 0.1% to 12%, depending on the country). Persistent chronic infection exists in 3 to 4 million persons in the United States ROBBINS TEXT BOOK OF PATHOLOGY 9TH EDITION PG NO.618