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设 $\left|\begin{array}{lll}a_1 & a_2 & a_3 \\ b_1 & b_2 & b_3 \\ c_1 & c_2 & c_3\end{array}\right|=m$, 则 $\left|\begin{array}{ccc}a_1 & a_2 & a_3 \\ 2 b_1 & 2 b_2 & 2 b_3 \\ 3 c_1 & 3 c_2 & 3 c_3\end{array}\right|=\begin{array}{lll}\end{array}$.
A. $6 m$     B. $-6 m$     C. $2^3 3^3 m$     D. $-2^3 3^3 m$         
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