The little girl stood there,   not knowing what to do,   ________ by what she had seen. [ ]

A. terrified  

B. terrifying

C. being terrified  

D. was terrified

男性，16岁，因右侧腰部酸胀，劳累后加重就诊，无发热和肾绞痛史。超声显示：右肾中度积水。尿常规正常

初步诊断应考虑为（）

A.肾结核

B.肾肿瘤

C.先天性后 * * 瓣膜

D.先天性肾盂一输尿管连接部狭窄

E.右侧输尿管结石