Your Organization Syncs Directory Data from Active Directory to G

Your organization syncs directory data from Active Directory to G Suite via Google Cloud Directory Sync. Users and Groups are updated from Active Directory on an hourly basis. A user's last name and primary email address have to be changed. You need to update the user's data. What two actions should you take? (Choose two.)

A) Add the user's old email address to their account in the G Suite Admin panel.
B) Change the user's primary email address in the G Suite Admin panel.
C) Change the user's last name in the G Suite Admin panel.
D) Change the user's primary email in Active Directory.
E) Change the user's last name in Active Directory.