Find the HCF of the polynomials \[{{x}^{2}}\text{ }+\text{ }5x\text{ }+\text{ }6\]and\[{{\left( x\text{ }+\text{ }2 \right)}^{2}}-\text{ }4x\text{ }-\text{ }8\].

• A. \[\left( x+3 \right)\]         
• B. \[\left( x+1 \right)\]        
• C. \[\left( x+2 \right)\]          
• D. \[\left( x-2 \right)\]
• E. None of these