If the unit of length is x metres in a new system of units (x > 1) then the numerical value of area in the new system of units will be how many times its numerical value in S. I?

Question

$\begin{array}{1 1}(A)\;x \\(B)\;\frac{1}{X} \\(C)\;x^2 \\(D)\;\frac{1}{x^2} \end{array}$