Which two statements are valid regarding resource actions?

Which two statements are valid regarding resource actions?
(Choose two.)
A. A resource action requires a software component.
B. A resource action allows a user to manage or modify a provisioned catalog item.
C. A resource action uses a vRealize Orchestrator workflow.
D. A resource action allows a fabric administrator to modify available resources in an existing reservation.
E. A resource action is created in a XaaS blueprint.