Which Requirement Must Be Met for a Member Account to Be

Which requirement must be met for a member account to be unlinked from an AWS Organizations account?

A) The linked account must be actively compliant with AWS System and Organization Controls (SOC) .
B) The payer and the linked account must both create AWS Support cases to request that the member account be unlinked from the organization.
C) The member account must meet the requirements of a standalone account.
D) The payer account must be used to remove the linked account from the organization.