You have two servers named Server1 and Server 2 that run Windows Server 2003 Service Pack 2 (SP2). Server1 is a file server. Server2 is a DNS server. The relevant portion of the network is configured as shown in the exhibit. (Click the Exhibit button.) On Server1 you run the Nslookup command and receive the following error message: DNS request timed out. timeout was 2 seconds. You need to ensure that Server1 can contact Server2 and query DNS records.  What should you do? （）

• A、On Server2， change the IP address to 172.16.26.200.
• B、On Server2， change the default gateway to 172.16.7.254.
• C、On Server1， change the DNS server address to 127.0.0.1.
• D、On Server1， change the DNS server address to 172.16.14.200.