Which two statements are true about configuring service…

Which two statements are true about configuring service tasks? (Choose two.)

A.
A service task can be configured to invoke a process or service asynchronously.

B.
Although you call a file adapter as a service from your BPMN diagram, no linkage between your BPMN
process and the external reference appears in the SOA Composite Editor.

C.
You can invoke a BPEL process by using a service task.

D.
The implementation of a service task can be either a process call or a service call.