2. 一位27歲的男性,從小就有中等度持續型的過敏性鼻炎(Allergic rhinitis),其血中total IgE 325IU/ml,過敏原檢查發現對house dust mite Der.P 呈+++。請問除了immunotherapy之外,下列何者為首選藥物?
(A) Intranasal glucocorticoids spray
(B) Moderate dose of oral prednisolone
(C) Anti-IgE antibody injection
(D) Oral pseudoephedrine
(E) Oral H1 antihistamine