You are the network administrator for Testking.com. The TestKing network contains seven application servers. Each application server runs a database application named TestKingApp. Requirements for TestKingApp state that when you add a new user, you must add the user to the server that has the most available disk space. You need to ensure that you meet the requirements when you add new users to TestKingApp. What should you do?（）

A. Use Event Viewer to review the application logs on each of the seven servers.
B. Use Performance Logs and Alerts to record the PhysicalDisk object on all seven servers.
C. Use Task Manager to view the performance data on each of the seven servers.
D. Use System Monitor to generate a histogram view of the LogicalDisk object on all seven servers.