21.有關於目前成人氣喘之個人化精準治療 (Personalized medicine) 其控制藥物和作用機制及適用對象，以下何者為非？
(A)Omalizumab/作用機制 Monoclonal antibody directed to IgE/適用對象 Highcirculating IgE within a precise range
(B)Montelukast/作用機制 Selective cysteinyl-leukotriene receptor type-1 (cysLT1) antagonists /適用對象 Asthma patient especially in patients withaspirin sensitivity
(C)Mepolizumab/作用機制 Monoclonal antibody against IL (interleukin) -5 /適用對象 Severe eosinophilic asthma
(D)Azithromycin/作用機制 Macrolide antibiotic or anti-inflammatory effects/適用對象 Allergic bronchopulmonary aspergillosis in severe asthma.