(来学网)骨巨细胞瘤在病理学上既有良性又有恶性,其恶性比率是
  • A.
    (来学网)10%
  • B.
    (来学网)20%
  • C.
    (来学网)0%
  • D.
    (来学网)60%
  • E.
    (来学网)80%