单项选择题

肺炎链球菌脑膜炎选择青霉素治疗时,其剂量范围在()

A.(5~10)万U/(kg·D.
B.(10~20)万U/(kg·D.
C.(20~40)万U/(kg·D.
D.(40~80)万U/(kg·D.
E.(80—100)万U/(kg·D.