<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 33-year-old woman, gravida 2, para 1, at 24 weeks gestation is brought to the emergency department by her husband for lethargy, nausea, and vomiting for 4 days. She returned from a trip to South Asia 2 weeks ago. Her immunizations are up-to-date and she has never received blood products. Her temperature is 38.9C 102F. She is not oriented to person, place, and time. Examination shows jaundice and mild asterixis. Her prothrombin time is 18 sec INR2.0, serum alanine aminotransferase is 3911 UL, and serum aspartate aminotransferase is 3724 UL. This patients current condition is most likely associated with increased titers of which of the following serum studies?? A: Anti-HBc IgM, B: HBsAg, C: Anti-HEV IgM, D: Anti-HCV IgG, E: Anti-HAV IgM,  <response>: This is a question about a pregnant woman with symptoms of acute liver failure after returning from a trip to South Asia. The key findings are fever, altered mental status, jaundice, coagulopathy, and extremely elevated liver enzymes. This presentation is most consistent with acute viral hepatitis. The patients travel history to South Asia makes hepatitis E virus HEV infection most likely. HEV is endemic in parts of South Asia and is a common cause of fulminant hepatic failure in pregnant women. Anti-HEV IgM antibodies would be expected to be positive in acute HEV infection.C: Anti-HEV IgM 