What does the following script do?

What does the following script do?
#!/bin/bash
find / -perm +4000 | mail -s “Daily find output” root
A. Emails a report of all guid files to root
B. Emails a report of all important files to root
C. Emails a report of all writeable files to root
D. Emails a report of all suid files to root
E. Corrects permissions on files and emails the result to root

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