Your Corporate LDAP Contains the Email Addresses of Several Hundred

Your corporate LDAP contains the email addresses of several hundred non-employee business partners. You want to sync these contacts to Google Workspace so they appear in Gmail's address autocomplete for all users in the domain. What are two options to meet this requirement? (Choose two.)

A) Use the Directory API to upload a .csv file containing the contacts.
B) Configure GCDS to populate a Group with external members.
C) Use the People API to upload a .csv file containing the contacts.
D) Develop a custom application to call the Domain Shared Contacts API.
E) Configure GCDS to synchronize shared contacts.