China rank ______ in the 2008 Beijing Olympic Games and more and more countries _______

China as a friendly and powerful country.    [ ]

A. the first; rank    

B. first; rank  

C. the first; regard  

D. first; suppose

腰椎管狭窄症，哪一个不是其症状和体征（）。

A.长期反复的腰腿痛

B.间歇性跛行

C.骑自行车无妨碍

D.直腿抬高试验阴性

E.尿急或排尿困难