慢性阻塞性肺病合并感染患者，术前准备应

A．咳脓痰病人术前3～5天即应用抗生素

B．经常发作哮喘者可口服地塞米松

C．练习深呼吸和咳嗽

D．应用茶碱、β2受体兴奋剂雾化吸入

E．停止吸烟2周

By accident, he _______he had done something wrong and that he hadn’t been prison for a few weeks.

A．let out

B．made out

C．made sure

D．took care