The blue skirt is ________ than the white one.       [ ]

A. dear                        

B. much expensive

C. expensive                   

D. much more expensive

在腹部正位片发现右上腹部一圆形致密影，迸一步检查方法为（）

A.静脉尿路造影检查

B.B超检查

C.腹部侧位片检查

D.CT检查

E.磁共振检查