单项选择题
A.温肾健脾,化饮利水 B.清肺化痰,降逆平喘 C.涤痰开窍,息风止痉 D.补肺纳肾,降气平喘 E.化痰降气,健脾益肺
A.<5mm B.5~10mm C.10~15mm D.15~20mm E.>20mm