A staging server is critical for an administrator to test updates without introducing risk into a production environment. Which of the following steps should an administrator take to test on a staging server？（）
- ACreate and Configure a WebSphere Commerce Instance on the staging server
- BRun the Stage Copy Utility to copy production server data into the staging server.
- CRun the Stage Propagate Utility to propagate the staging server with production server data
- DCreate and configure a Staging database