Under what circumstance would you enable LEARN as the Action on a firewall policy?

A. You want FortiGate to compile security feature activity from various security-related logs, such as virus and attack logs.

B. You want FortiGate to monitor a specific security profile in a firewall policy, and provide recommendations for that profile.

C. You want to capture data across all traffic and security vectors, and receive learning logs and a report with recommendations.

D. You want FortiGate to automatically modify your firewall policies as it learns your networking behavior.