Identify one activity that is used to create a process hierarchy as a parent child relationship.

Identify one activity that is used to create a process hierarchy as a parent child relationship.

A.
Sequence Flow

B.
Call Activity

C.
Service Task

D.
Send Task

Explanation:
The call activity allows you to call a reusable process from within the current
process. The process being called becomes a child process of the calling process. When calling a
reusable process, the call activity of the parent process waits until the child process completes
before continuing.
Reference: Oracle Fusion Middleware Business Process Composer User’s Guide for Oracle
Business Process Management, 11g Release 1 (11.1.1.5.0)