An administrator is attempting to use the Tivoli Performance Viewer to see the average response time for a WebSphere Commerce command， which of the following must be done in order to be successful？（）

A. Enable performance monitoring of the WebSphere Application Server through the WebSphere Application Server Administrative Console
B. Enable performance monitoring of the WebSphere Commerce application through the WebSphere Commerce Administration Console
C. Install and configure Tivoli Performance Viewer on a separate machine and configure it to connect to the Application Server.
D. Install and configure DB2 Intelligent Miner for Data to support the appropriate closed-loop analytic