(2009?金山区二模)正比例函数y=k1x(k1≠0)与反比例函数y=k2?1x(k2≠1)的大致图象如图所示,那么k1,k2的取值范围是( )A.k1>0,k2>1B.k1>0,k2<1C.k1<0,k2>1D.k1<0,k2<1