— I want to have the article printed, but I don't know how to use the printer.

— You can follow the ______ on the printer.[ ]

A. directions  

B. determinations  

C. preparations  

D. explanations

判断前列腺大小较准确的检查方法

A．残余尿测定

B．B超

C．膀胱造影

D．直肠指诊

E．膀胱镜检查