In the packet forwarding decision process, how is the second packet handled differently than the first in a series of allowed interzone packets?

In the packet forwarding decision process, how is the second packet handled differently than the first in a series of allowed interzone packets?

A.
The second packet causes an ARP query

B.
The second packet is checked against the policy table

C.
The second packet is forwarded without a sanity check

D.
The second packet is forwarded without checking the route table