(来学网)我国病毒性肝炎最常见的病原体是
  • A.
    (来学网)HAV
  • B.
    (来学网)HBV
  • C.
    (来学网)HCV
  • D.
    (来学网)HDV
  • E.
    (来学网)HEV
正确答案:
B
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