5. The graph of the function $y=(x-2004)(x+2005)$ intersects the $x$-axis and the $y$-axis at three points. If there is a circle that passes through these three points, then the other intersection point of this circle with the coordinate axes is ( ).
(A) $\left(0, \sqrt{\frac{2004}{2005}}\right)$
(B) $(0,1)$
(C) $\left(0, \sqrt{\frac{2005}{2004}}\right)$
(D) $\left(0, \frac{1}{2}\right)$
5.B.

According to the intersecting chords theorem, it is easy to find that the coordinates of the other intersection point of this circle with the coordinate axis are $(0,1)$.