(来学网)超抗原能激活大量T细胞,约占T细胞库的
  • A.
    (来学网)40%~80%
  • B.
    (来学网)20%~40%
  • C.
    (来学网)5%~20%
  • D.
    (来学网)1%~3%
  • E.
    (来学网)0.1%~0.5%