Mark the tick against the correct answer in the following: The solution set of the equation \left|\begin{array}{ccc}\mathrm{x}-2 & 2 \mathrm{x}-3 & 3 \mathrm{x}-4 \\ \mathrm{x}-4 & 2 \mathrm{x}-9 & 3 \mathrm{x}-16 \\ \mathrm{x}-8 & 2 \mathrm{x}-27 & 2 \mathrm{x}-64\end{array}\right|=0 is
A. \{4\}
B. \{2,4\}
C. \{2,8\}
D. \{4,8\}