How can they build the execution object model (XOM) with the information from this application?

A developer is working with a mainframe legacy application.

How can they build the execution object model (XOM) with the information from this application?
A . Import the Cobol copybook.
B . Extract objects through SQL queries.
C . Use the Decision Engine API to map Cobol structures.
D . Use the Rule Designer migration tool to convert the source Cobol copybook.

Answer: A

Explanation:

Reference: https://www.redbooks.ibm.com/redpapers/pdfs/redp4997.pdf