Your network consists of a single Active Directory domain. All servers run Windows Server 2008 R2. A server named Server1 has the Remote Desktop Services server role installed.   You notice that several users consume more than 30 percent of the CPU resources throughout the day. You need to prevent users from consuming more than 15 percent of the CPU resources. Administrators must not be limited by the amount of CPU resources that they can consume. What should you do？（）

• A、Implement Windows System Resource Manager （WSRM），and configure user policies.
• B、Implement Windows System Resource Manager （WSRM），and configure session policies.
• C、Configure Performance Monitor，and create a user-defined Data Collector Set.
• D、Configure Performance Monitor，and create an Event Trace Session Data Collector Set.