You are a network administrator for your company. The network contains a Windows Server 2003 computer named Print1 that functions as a print server. Print1 contains a printer named MarketingPrinter. Users report that print jobs they submit to the MarketingPrinter take a long time to print. You immediately examine Print1 and conclude that the server is performing at acceptable levels. You need to identify the problem. What should your next step be? （）

• A、Use Task Manager to monitor processor and memory performance.
• B、Use Windows Explorer to monitor the size of the Windows/System32/Spool/prtprocs folder.
• C、Use System Monitor to view the Print Queue/Jobs counter.
• D、Use System Monitor to view the Print Queue/Enumerate Network Printer Calls counter.