Your company has just acquired a new group of users. They have been provisioned into the Google Workspace environment with your primary domain as their primary email address. These new users still need to receive emails from their previous domain. What is the best way to achieve this for these new users, without updating the information of preexisting users?

A、AddtheacquireddomainasanaliastotheprimaryGoogleWorkspacedomain.
B、AddtheacquireddomainasasecondarydomaintotheprimaryGoogleWorkspacedomain,andthenupdatetheemailinformationofallnewuserswithaliasemails.
C、UpdatetheGoogle-providedtestdomaintobethedomainoftheacquiredcompany,andthenupdatetheemailinformationofallnewuserswithaliasemails.
D、Withoutaddingadomain,updateeachuser'semailinformationwiththepreviousdomain.