The AWS IAM Best Practice for Granting Least Privilege Is

The AWS IAM best practice for granting least privilege is to:

A) apply an IAM policy to an IAM group and limit the size of the group.
B) require multi-factor authentication (MFA) for all IAM users.
C) require each IAM user who has different permissions to have multiple passwords.
D) apply an IAM policy only to IAM users who require it.