\({\left( {\frac{2}{5}} \right)^6}:{\left( {\frac{2}{5}} \right)^2} = ?\)

A. \({\left( {\frac{2}{5}} \right)^{12}}\)

B. \({\left( {\frac{2}{5}} \right)^4}\)

C. \({\left( {\frac{2}{5}} \right)^8}\)

D. \({\left( {\frac{2}{5}} \right)^3}\)