Consider the following statements. (i) \[\sqrt{2x}+6{{x}^{2}}+7\]is a polynomial of degree 2. (ii) \[4{{e}^{2}}+\frac{1}{6}e+2\sqrt{4}\]is not a polynomial. (iii) \[8{{a}^{3}}{{b}^{2}}-4{{a}^{2}}b+6ab-3\] is a polynomial of degree 5. Which of the statement(s) is incorrect?

• A. only (i) and (ii)   
• B. only (i) and (iii)
• C. only (ii) and (iii)       
• D. None of these