If \[{{\log }_{x}}y,\ {{\log }_{z}}x,\ {{\log }_{y}}z\] are in G.P. \[xyz=64\] and \[{{x}^{3}},\ {{y}^{3}},\ {{z}^{3}}\] are in A.P., then

• A. \[x=y=z\]
• B. \[x=4\]
• C. \[x,\ y,\,z\] are in G.P.
• D. All the above