Which Three Statements Describe the Importing of Contacts into a Cisco

Which three statements describe the importing of contacts into a Cisco Unified Contact Center Express campaign? (Choose three.)

A) Phone1 is the only mandatory field.
B) Up to three custom fields can be added.
C) List filtering for "Do Not Call" is unsupported.
D) When records have matching phone numbers, only one record is created.
E) Imports can be automatically executed on a weekly basis.