Which of the Following Steps Prevents a User from Obtaining

Which of the following steps prevents a user from obtaining an interactive login session?

A) Setting the UID for the user to 0 . Setting the UID for the user to 0 .
B) Running the command chsh -s /bin/false with the user name. Running the command chsh -s /bin/false with the user name.
C) Removing the user from the group staff. Removing the user from the group staff.
D) Adding the user to /etc/noaccess . Adding the user to /etc/noaccess
E) Creating a .nologin file in the user's home directory. Creating a .nologin file in the user's home directory.