Let \( M \) be a \( 3 \times 3 \) matrix satisfying \( \mathrm{P} \...

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Let \( M \) be a \( 3 \times 3 \) matrix satisfying
\( \mathrm{P} \) \( M\left[\begin{array}{l}0 \\ 1 \\ 0\end{array}\right]=\left[\begin{array}{r}-1 \\ 2 \\ 3\end{array}\right], M\left[\begin{array}{r}1 \\ -1 \\ 0\end{array}\right]=\left[\begin{array}{r}1 \\ 1 \\ -1\end{array}\right] \) and, \( M\left[\begin{array}{l}1 \\ 1 \\ 1\end{array}\right]=\left[\begin{array}{r}0 \\ 0 \\ 12\end{array}\right] \)

W.
Then the sum of the diagonal entries of \( M \), is
(A) 7
(B) 8
(C) 9
(D) 6
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