Which line can be entered into the /etc/dfs/dfstab file for saturn to enable a remote root user on the client system mars to have root privileges on the /var shared resource?

A.
share -F nfs /var

B.
share -F nfs -o ro /var

C.
share -F nfs root=mars /var

D.
share -F nfs -0 ro=mars /var

E.
share -F nfs -o root=mars /var