Diagonalize the following matrix. The real eigenvalues are given to the right of the matrix.
[2 0 0 1 2 0 0 0 3]
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. For P = __, D = [ 2 0 0 0 2 0 0 0 3]
O B. For P = __, D = [ 1 0 0 0 2 0 0 0 3]
O C. The matrix cannot be diagonalized.