60.依據 GOLD update ( 2011 ) 對於慢性阻塞性肺疾病的治療建議，下列何者是 group D 的優先選用藥物？
(A) inhaled corticosteroid only
(B) long acting β₂ agonist+long acting anticholinergic
(C) inhaled corticosteroid+long acting β₂agonist
(D) long acting β₂agonist+theophylline

吸入型類固醇(ICS)亦是治療肺阻...