单项选择题

A.In the performance console, create a counter log to track processor usage.
B.In event view, open and review the application log for performance events.
C.In windows reliability and performance monitor, use the resource view to see the percentage of processor capacity used by each application.
D.In windows reliability and performance monitor, create an alert that will be triggered when processor usage exceeds 80 percent for more than five minutes on server1.