对自发性气胸患者的护理措施有（）

A.保持呼吸道通畅

B.闭式引流中伤口疼痛，禁用止痛剂，以免影响愈合

C.保持大便通畅，防止大便用力

D.闭式引流中患者呼吸困难加重，应立即报告医生并协助抢救

E.引流术后应观察排气情况

After a whole day’s heavy work ,the old worker returned home ,______________________.

A．hungry and tiring

B．hunger and tired

C．hungry and tired

D．hunger and tiring