Refer to the exhibit.

What can be added to the flow to persist data across different flow executions?
Refer to the exhibit.
What can be added to the flow to persist data across different flow executions?
To persist data across different flow executions in Mule, using key/value pairs in the ObjectStore is appropriate. ObjectStore is specifically designed to store data in a way that can be accessed across various executions and applications, providing a mechanism for persisting data beyond a single flow's lifecycle.
B is correct, https://docs.mulesoft.com/mule-runtime/4.3/mule-object-stores