Unrest and violence in North Africa and the Middle East ____ at their fastest rate since 2008.    [ ]

A. have been raising    

B. have been rising

C. have raised        

D. have risen

该公司分支机构在甲国所缴纳的税款能否在该公司汇总纳税时予以扣除( )。

A．能全部扣除

B．可以扣除，但不能全部扣除

C．不能扣除

D．由税务机关决定是否扣除