Which two statements accurately explain how the Call activity behaves in a BPMN model? (Choose two.)

A: When using a Call activity to invoke a reusable process, the data object values of the calling process are automatically made available to the called process. B: The Call activity can invoke a reusable process from within the current process C: If the process is to be invoked by a Call activity, the called process must start with one None Start Event. D: At a Call activity, the calling process does not wait until the called process or subprocess returns.