The factors of \[(\mathbf{1}-\mathbf{6z}-\mathbf{9}{{\mathbf{z}}^{2}})\] are

• A. \[\left( 1+3z \right)\left( 1-3z \right)\]
• B. \[{{\left( z+3 \right)}^{2}}\]
• C. \[{{\left( 3z-1 \right)}^{2}}\]
• D. \[{{\left( z-3 \right)}^{2}}\]