A 17-year-old male presents complaining of tea-colored urine. Pertinent patient history includes a recent backpacking trip in Asia with his girlfriend, but is otherwise unremarkable. Hepatitis serology gives the following results: HAV IgM positive HBsAg negative HBcAg IgM negative HDV IgM negative HCV IgM negative What is the status of this patient?
A. Acute hepatitis A B. Acute hepatitis B C. Acute hepatitis C D. Acute hepatitis D E. Acute hepatitis E