Read the following statements. (i) \[2{{a}^{2}}+a-5,3{{x}^{2}}+2,3{{y}^{2}}\]are all polynomials of the second degree. (ii) \[4{{x}^{3}}+3,6{{a}^{3}}+4{{a}^{2}}+2a+1,\]and\[4{{m}^{3}}\]are all polynomials of the third degree. (iii) The term with the highest power in a polynomial decides the degree of the polynomial. Which of the statement(s) is/are correct?

• A. only (i) and (ii)         
• B. only (ii) and (iii)
• C. only (i) and (iii)        
• D. (i),(ii) and (iii)