6.下列藥物組合,何者最適合用於長期控制成人「中度持續型氣喘」(moderate persistent asthma)?
(A) oral corticosteroid 及 inhaled short-acting p2-adrenergic agonist
(B) inhaled corticosteroid 及 inhaled long-acting p2-adrenergic agonist
(C) inhaled short-acting p2-adrenergic agonist 及 inhaled ipratropium bromide
(D) inhaled long-acting p2-adrenergic agonist only