Ordinary dice are rolled. The probability that at least half of them will show at least 3 is

Question

$\begin {array} {1 1} (A)\;41 \times \large\frac{2^4}{3^6} & \quad (B)\;\large\frac{2^4}{3^6} \\ (C)\;20 \times \large\frac{2^4}{3^6} & \quad (D)\;None\: of \: these \end {array}$