You have a DNS server that runs Windows Server 2003 Service Pack 2 (SP2).You enable DNS debug logging by using the default settings. You create a primary zone named contoso.com. You need to view all the DNS responses that the DNS server has sent. What should you do?（） 

• A、From Event Viewer, open the application log. 
• B、From Event Viewer, open the DNS server log. 
• C、Open %systemroot%/system32/dns/dns.log. 
• D、Open %systemroot%/system32/dns/contoso.com.dns.