“Youth”is regarded as a time in their life       fun ,passion, and imagination seem limitless.

A．that

B．which

C．when

D．where

以下除哪一项外皆为妇产科临床常用外治法中的局部治疗( )

A．保留灌肠
B．纳药
C．手术
D．官腔注射
E．冲洗