Which action resolves this issue?

An engineer is working on a cisco unity Express system and notices that users that exist on the integrated cisco UCME are missing from Cisco Unity Express. Which two actions using the GUI resolve this discrepancy? (Choose two)
A. Use the Synchronize task under the User ID field.
B. Use the Synchronize System under MWI
C. Use the Synchronize Information under Administration
D. Import the users using a CSV file.
E. Add the missing users manually to Cisco Unity Express