Slack business+ plan and currently authenticates users via username and password. Your company uses Google Workspace (formerly G Suite) for its identity provider (IdP). Your security team would like to assign specific users or groups of users access to Slack from your IdP (rule-based access).
How would you configure Slack to satisfy these requirements?
(Select the best answer.)

A. Configure Google Workspace Auth to enable users to log in via their Google Workspace credentials, and send out binding emails to existing users to connect their accounts with your IdP.

B. Set up Google Workspace SAML-based SSO in a new Slack workspace since your company already uses username and password to authenticate in its existing workspace.

C. Build a custom SAML connection with Slack in order to use the Google Workspace Id, and apply rule-based access.

D. Configure Google Workspace SAML-based SSO with Slack, and send out binding emails to existing users to connect their accounts with your IdP.