Ans: D
$\begin{array}{cl}
& 16^{12} + 14 \\
= & 1 \times 16^{12} + 0 \times 16^{11} + 0 \times 16^{10} + 0 \times 16^9 + 0 \times 16^8 + 0 \times 16^7 + 0 \times 16^6 + 0 \times 16^5 + 0 \times 16^4 + 0 \times 16^3 + 0 \times 16^2 + 0 \times 16^1 + 14 \times 16^0 \\
= & 1~000~000~000~00\text{E}_{16}
\end{array}$
$\begin{array}{cl}
& 16^{12} + 14 \\
= & 1 \times 16^{12} + 0 \times 16^{11} + 0 \times 16^{10} + 0 \times 16^9 + 0 \times 16^8 + 0 \times 16^7 + 0 \times 16^6 + 0 \times 16^5 + 0 \times 16^4 + 0 \times 16^3 + 0 \times 16^2 + 0 \times 16^1 + 14 \times 16^0 \\
= & 1~000~000~000~00\text{E}_{16}
\end{array}$
