The police have ______ power to deal with such matters by _____ law.  [ ]

A. the; the

B. /; /

C. /; the

D. the; /

关于肾脏损伤而无血尿的原因，下列哪一项是错误的()

A．合并输尿管断裂

B．肾盂断裂

C．贯通肾盏、肾盂的肾实质损伤

D．肾蒂血管断裂

E．输尿管被血块阻塞