Psychologists say that_____ our emotions will make us feel better and there is nothing to be ashamed of.

A．relieving

B．relaxing

C．releasing

D．removing

一肺气肿患者端坐位与医生交谈过程出现气短。

功能残气量测定提示：残气量占肺总量的68%，考虑该患者为（）。

A.轻度肺气肿

B.中度肺气肿

C.轻中度肺气肿

D.中重度肺气肿

E.严重肺气肿