There ______money in the purse. But there is a ring(戒指) in it. [     ]

A. isn't some

B. isn't any  

C. aren't some

D. aren't any

干髓术逐渐被淘汰的主要原因是

A．用了剧毒药物

B．操作比较简单

C．适应证易选择

D．远期疗效不佳

E．国外医师不用