患者男，61岁，因“进行性排尿困难１年，膀胱造瘘术后5个月，阴茎异常勃起、阴茎增粗1个月，阴茎、阴囊及会阴部水肿进行性加重15d”来诊。5个月前急性尿潴留留置导尿管失败行膀胱造瘘术。查体：会阴部触及实性肿物。

有助于确诊的检查是（）

A. * * 造影

B. * * 膀胱镜检查＋活检

C.泌尿系统B型超声

D.盆腔CT

E.盆腔MRI

He______ his work, otherwise, he wouldn’t be enjoying himself by the seaside.

A．must have completed

B．should have completed

C．ought to complete

D．must complete