Why did the FortiGate drop the packet?

Examine this output from a debug flow:

Why did the FortiGate drop the packet?
A . The next-hop IP address is unreachable.
B . It failed the RPF check.
C . It matched an explicitly configured firewall policy with the action DEN
E . It matched the default implicit firewall policy.

View Answer

Answer: D

Explanation:

https://kb.fortinet.com/kb/documentLink.do?externalID=13900