Meat is healthy food, _____ fish is healthy food,  too. [ ]

A. /

B. so

C. and

D. but

男性，70岁，左侧肺癌，左侧胸膜转移，大量胸水。现气急明显，减轻症状所应采取的措施是：()

A．吸氧

B．静脉注射氨茶碱

C．口服速尿

D．立即抽胸腔积液

E．立即平卧