You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server connects to the Internet by using a router.You attempt to ping an Internet host and receive the following error message: “Destination host unreachable.”The server’s routing table is configured as shown in the exhibit. (Click the Exhibit button.) You need to ensure that you can access Internet hosts. What should you do?（）

• A、Modify the subnet mask. 
• B、Modify the default gateway address. 
• C、Clear the Address Resolution Protocol (ARP) cache. 
• D、Stop the Windows Firewall/Internet Connection Sharing (ICS) service.