which one of the following is not equal to (\sqrt[3]{8})^{-\large\frac{1}{2}?

Question

( A ) (\sqrt[3]{2})^{\large\frac{-1}{2}
( B ) \large\frac{1}{\sqrt[3]{8}^{\large\frac{1}{2}}
( C ) \large\frac{1}{\sqrt{2}
( D ) 8^{\large\frac{-1}{6}}