When I went to watch the 16th Asian Games last month, I was greatly touched by the fact that ____ people

from all walks of life are working hard for ____ new Guangzhou. [ ]

A. the: a

B. /; a

C. the; the

D. /; the

患儿，男，6岁，近1年来右腰部间断胀痛，无血尿、尿频、尿急、尿痛，无排尿困难。查体：右上腹略饱满，右肾区可触及一软性包块，并随呼吸上下活动。

肾B超检查发现膀胱中有异常回声影，首先选择哪一项检查确诊（）

A.静脉肾盂造影

B.肾血管造影

C.排泄性膀胱 * * 造影

D.逆行造影

E.腹部平片