If the polynomial $f(x)=3x^2-x^3-3x+5$ is divided by a polynomial $g(x)=x-1-x^2$ ,then its quotient is _____

Question

$\begin{array}{1 1}(A) \;x+2\\(B)\;x-2\\(C)\;2x+1\\(D)\;2x-1\end{array}$