$\begin {array} {1 1} (A)\;x^2-y^2-4x+6y-3=0 & \quad (B)\;x^2+y^2-4x+6y-3=0 \\ (C)\;x^2+y^2+4x-6y-3=0 & \quad (D)\;x^2+y^2-4x-6y+3=0 \end {array}$