<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 25-year-old construction worker presents to the office due to a yellowish discoloration of his skin and eyes for the past 2 weeks. He also complains of nausea and loss of appetite for the same duration. The past medical history is insignificant. He is a smoker, but recently has grown a distaste for smoking. The vital signs include: heart rate 83min, respiratory rate 13min, temperature 36.5C 97.7F, and blood pressure 11174 mm Hg. On physical examination, there is mild hepatomegaly. The results of the hepatitis viral panel are as follows:Anti-HAV IgM positiveHBsAg negativeIgM anti-HBc negativeAnti-HCV negativeHCV-RNA negativeAnti-HDV negativeAnti-HEV negativeWhat is the most common mode of transmission for this patients diagnosis?? A: Sexual contact, B: Fecal-oral, C: Blood transfusion, D: Perinatal, E: Breast milk,  <response>: This is a patient with jaundice yellowish discoloration of skin and eyes, nausea, loss of appetite, and hepatomegaly enlarged liver. The lab results show positive IgM antibody against hepatitis A virus Anti-HAV IgM which indicates acute hepatitis A infection. Hepatitis A is transmitted primarily through the fecal-oral route, usually by ingestion of contaminated food or water. Sexual contact, blood transfusion, perinatal transmission, and breastfeeding are not major modes of transmission for hepatitis A.B: Fecal-oral 