How is the flow of Portfolio Epics managed?

How is the flow of Portfolio Epics managed?
A . In the Program Backlog
B. In the Portfolio Kanban
C. In the Portfolio Backlog
D. In the Program Kanban

Answer: B

Explanation:

Portfolio epics are made visible, developed, and managed through the Portfolio Kanban system where they proceed through various states of maturity until they’re approved or rejected.

For more details: https://www.scaledagileframework.com/epic/#:~:text=Portfolio%20epics%20are%20made%20visi ble, to%20implementation%2C%20epics%20require%20analysis.