Which of the following is correct?  $72=2^{x}\times3^{y}$  $539=z^{2}\times11$ 
选项为:A:$x\textgreater y\textgreater z$  B:$y\textgreater z\textgreater x$  C:$x\textgreater y=z$  D:$z\textgreater y\textgreater x$  E:$z\textgreater x\textgreater y$  请回答其中一个选项.