患者女性，68岁，有慢性咳嗽、喘息史15年，近日感冒后症状加重。查体：神志清楚，口唇发绀，桶状胸，双肺叩诊过清音，呼吸音减低。动脉血气分析：PaO₂55mmHg，PaCO₂45mmHg，经过治疗后病情缓解。此患者出院后，不适宜采用的治疗是（）

A.吸入支气管扩张剂

B.做腹式呼吸，加强膈肌运动

C.家庭氧疗

D.长期口服中等量激素

E.间断应用止咳、化痰药物

Susan changed her major three times in college, and now that she has graduated, she still cannot decide what type of job she wants. Erik Eriekson would describe Susan as going through a period of()

A．Shame and doubt

B．Identity confusion

C．Despair

D．Generativity and stagnation