Why do companies take downsizing

A．Because this is an inevitable tide throughout the world.

B．Because incompetent employees must give their way to new competent ones.

C．Because it is a direct way to reduce cost.

D．Because those employees are too old to work efficiently.

癫证多由痰气郁结所致，久则耗伤（）

A.心脾

B.肝肾

C.心肾

D.心肺

E.脾肾