(来学网)我国COPD的患病率为
  • A.
    (来学网)5%~10%
  • B.
    (来学网)3%~5%
  • C.
    (来学网)7%~8%
  • D.
    (来学网)10%~20%
  • E.
    (来学网)10%~15%