Which two actions should the Architect recommend to UC1?

Universal Containers (UC) would like to enableself-registration for their Salesforce Partner Community Users. UC wants to capture some custom data elements from the partner user, and based on these data elements, wants to assign the appropriate Profile and Account values.

Which two actions should the Architect recommend to UC1? Choose 2 answers
A . Configure Registration for Communities to use a custom Visualforce Page.
B. Modify the SelfRegistration trigger to assign Profile and Account.
C. Modify the CommunitiesSelfRegController to assign the Profile and Account.
D. Configure Registration for Communities to use a custom Apex Controller.

Answer: A,C