You have a DNS server that runs Window 2003 Server Service Pack 2 (SP2). You need to configure the DNS server to perform recursive query tests every hour.  What should you do?（）  

• A、From the DNS snap-in， open the DNS server properties and configure the Advanced settings.
• B、From the DNS snap-in， open the DNS server properties and configure the Monitoring settings.
• C、From Control Panel， create a new scheduled task that runs Nslookup.exe Crecurse.
• D、From Control Panel， create a new scheduled task that runs Dnslint.exe /ql autocreate.