$\begin{array}{1 1}(A)\;m = -2 ; c = \large\frac{5}{3} \\(B)\; m = 2; c = -\large\frac{5}{3} \\(C)\; m = \large\frac{1}{2} ; c = \large\frac{5}{3} \\(D)\;m = -\large\frac{1}{2} ; c = -\large\frac{5}{3} \end{array} $