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

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.
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.

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Answer: E