Which of the following excerpts would come from a corporate policy?

Which of the following excerpts would come from a corporate policy?
A. Employee passwords must contain a minimum of eight characters, with one being alphanumeric.
B. The help desk can be reached at 800-passwd1 to perform password resets.
C. Employees must use strong passwords for accessing corporate assets.
D. The corporate systems must store passwords using the MD5 hashing algorithm.