You want the user steven to help you with the maintenance of the $/$etc$/$hosts file. What is wrong with this configuration below?

Cmnd $\_$Alias EDIT $=/$usr$/$bin$/$vi $/$etc$/$hosts steven ALL $=$ EDIT

a$.$ The user would be able to execute sudo vi followed by any file

b$.$ Nothing is wrong

c$.$ Any user belonging to the group edit would be able to edit the $/$etc$/$hosts file

d$.$ The user would be able to execute any command as root once in the vi editor