The value of $\begin{vmatrix}1&a&a^2-bc\\1&b& b^2-ca\\1&c&c^2-ab\end{vmatrix}$ is

Question

$\begin{array}{1 1}(A)\;0&(B)\;1\\(C)\;(a-b)(b-c)(c-a)&(D)\;\text{None of these}\end{array}$