Susan's birthday party was ________success.We sang and danced until it came to ________ end at ten.

A．a；the

B．a；an

C．/；an

D．the；the

引起下尿路梗阻的疾病有

A．前列腺增生

B．近膀胱三角区的癌肿

C． * * 狭窄

D．前列腺肿瘤

E．神经源性膀胱