The club,  _    _ 25 years ago, is holding a party for past and present members.

A．founded

B．founding

C．being founded

D．to be founded

形成脑疝的根本原因是（）

A.颅内压增高

B.腰穿放液过快过多

C.过量快速输入盐水

D.高位保留灌肠

E.颅腔内各分腔压力失去均衡