<prompt> A 30-year-old patient presented with history of jaundice for 30 days. His liver function tests showed bilirubin of 100mgdI, SGOTSGPT-1 1001450, serum alkaline phosphatase-240 IU. He was positive for Hbs Ag. What should be the confirmatory test to establish Acute hepatitis B infection?IgM Anti-HBc antibodyHbeAgHBV DNA by PCRAnti-HBc antibody  <response>: Answer is A IgM - Anti - HBc antibody : 