$\sum ^{n}_{r=0} r^2.\:^nC_r$ = ?

Question

$\begin{array}{1 1}n(n+1).2^{n-1} \\n(n-1).2^{n-2} \\ n(n-1).2^{n-1} \\n(n+1).2^{n-2}\end{array}$