Write the general term in the expansion of $(x^2-yx)^{12}$

Question

$\begin{array}{1 1}(A)\;x^{24-2r}y^r\\(B)\;\large\frac{(-1)^r12!}{r!(12-r)!}\normalsize x^{24-2r}y^r\\(C)\;\large\frac{(-1)^r12!}{r!(12-r)!}\\(D)\;\text{None of these}\end{array} $