下列各组向量中, 向量a , b, c 共面的一组是  (   )

A．a =" (" 4, 2, 1 ), b =" (–1," 2 , 2 ), c =" (" –1, 1 ; 5 ).

B． a =" (" 1, 2, –3 ), b =" (–2," –4 , 6 ) , c =" (" 1, 0 ,5 ).

C．a =" (" 0, 0, 1 ), b =" (–1," 0 , 0 ), c =" (" 0, –1 ; 0 ).

D．a =" (" –2, 3, 1 ), b =" (3," –2 , –2 ), c =" (" –1, 0 ; 2 ).

患者男，58岁，因“间断全程无痛性肉眼血尿1个月”来诊。为明确诊断，应进行的检查除外（）

A.尿脱落细胞学

B.腹部B型超声

C.肾、输尿管和膀胱（KUB.X线片＋静脉尿路造影（IVU）

D.膀胱镜检查

E.放射性核素肾图