A:a2016(S2016﹣S2015)=0
B:a2016(S2016﹣S2014)=0
C:(a2016﹣a2013)(S2016﹣S2013)=0
D:(a2016﹣a2012)(S2016﹣S2012)=0
直线x-y+m=0与圆x2+y2-2x-1=0有两个不同交点,则m满足( ).
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