【名词&注释】
辨证论治(syndrome differentiation and treatment)、重要作用(an important role)、医疗保险(medical insurance)、中成药(chinese patent medicine)、中药饮片(decoction pieces)、直辖市(municipality city)、自治区(autonomous region)、肺肾阴虚(yin deficiency in lung and kidney)、桑白皮汤、适用于(suitable for)
[单选题]桑白皮汤适用于(suitable for)
A. 风寒闭肺喘证
B. 痰热郁肺喘证
C. 肾虚作喘喘证
D. 肺脾两虚喘证
E. 肺肾阴虚(yin deficiency in lung and kidney)喘证