If Neither Cron

If neither cron.allow nor cron.deny exist in /etc/ , which of the following is true?

A) Without additional configuration, all users may create user specific crontabs.
B) Without additional configuration, only root may create user specific crontabs.
C) The cron daemon will refuse to start and report missing files in the system's logfile. The cron daemon will refuse to start and report missing files in the system's logfile.
D) When a user creates a user specific crontab the system administrator must approve it explicitly.
E) The default settings of /etc/crond.conf define whether or not user specific crontabs are generally allowed or not. The default settings of /etc/crond.conf define whether or not user specific crontabs are generally allowed or not.