You have two computers named Computer1 and Computer2 that run Windows 7. The network is configuredas shown in the exhibit. (Click the Exhibit button.) You need to ensure that both computers can connect tothe Internet.  What should you do?（）

• A、On both computers，set the subnet mask to 255.255.255.255.
• B、On both computers，set the default gateway to 192.168.0.254.
• C、On both computers，set the default gateway to 131.107.0.254.
• D、On the internal interface of the firewall and on both computers， set the subnet mask to 255.255.0.0.