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 forwarded without checking the route table.

C.
The second packet is forwarded without a sanity check.

D.
The second packet is checked against the policy table.