There are many ______________. [ ]

A. baby

B. babys

C. babies

膀胱结石()

A．肾区绞痛伴镜下血尿 

B．排尿中断伴疼痛 

C．尿频、尿急伴镜下血尿 

D．尿频、尿急、尿痛伴终末血尿及脓尿 

E． * * 口滴血