Which box in Global Properties should be checked?

Tom has a Web server for which he has created a manual NAT rule. The rule is not
working. He tries to initiate a connection from the external network to a DMZ server using
the public IP which the firewall translates to the actual IP of the server. He analyzes the
captured packets using Wireshark and observes that the destination IP is being changed as
required by the firewall but does not see the packet leave the internal interface. Which box
in Global Properties should be checked?

A.
Manual NAT rules > Translate destination on client side

B.
Automatic NAT rules > Allow bi-directional NAT

C.
Automatic NAT rules > Automatic ARP Configuration

D.
Automatic NAT rules > Translate destination on client side