You Have Been Tasked with Training End Users in Security

Multiple Choice

You have been tasked with training end users in security best practices and have observed a trend among users in which many are writing down their passwords.  
Which of the following procedures can be implemented to provide enough security to protect resources while minimizing the need for users to write down their passwords?

A) Disable password complexity requirement.
B) Disable required passwords.
C) Lengthen the time period between forced password changes.
D) Increase password length requirement.