The points at which the tangents to be curve $y=x^3-12x+18$ are parallel to x-axis are:

Question

$\begin{array}{1 1} (A)\;(2,-2),(-2,-34) \\ (B)\;(2,34),(-2,0)\\(C)\;(0,34),(-2,0) \\ (D)\;(2,2),(-2,34) \end{array}$