If $g=t^{\large\frac{2}{3}}+4t^{\large\frac{-1}{2}}$,then the value of $g$ when $t=64$ is ____

Question

$\begin{array}{1 1}(A) \; \large\frac{31}{2}\\(B)\;\large\frac{33}{2} \\(C)\;16 \\(D)\;\large\frac{257}{16} \end{array}$