—Would she mind playing against her former teammates?

—         She is willing to play against any tough players．

A．I think so．

B．I’m not surprised．

C．Of course．

D．Not likely．

患者女，58岁，突发右侧腰背部剧烈疼痛，出冷汗，服用颠茄片疗效不明显，来院就诊。尿检可见红细胞，B超检查可见肾结石。

该选择的药理基础是（）

A.增强镇痛作用

B.增强解痉作用

C.镇痛和解痉作用

D.防治成瘾性发生

E.延长镇痛作用时间