Choose the correct answer in $\Large \int \normalsize x^2e^{x^3}\;dx $ equals

Question

\begin{array}{1 1}(A)\;\frac{1}{3}e^{x^3}+C\qquad(B)\;\frac{1}{3}e^{x^2}+C\\(C)\;\frac{1}{2}e^{x^3}+C\qquad(D)\;\frac{1}{2}e^{x^2}+C\end{array}