问题：

[单选]

You have a Windows Server 2008 server that has the Web Server （IIS） server role installed. The server hosts multiple Web sites. 
You need to configure the server to automatically release memory for a single Web site. You must achievethis goal without affecting the other Web sites.
What should you do？（）

A . Create a new Web site and edit the bindings for the Web site.
B . Create a new application pool and associate the Web site to the application pool.
C . Create a new virtual directory and modify the Physical Path Credentials on the virtual directory.
D . From the Application Pool Defaults， modify the Recycling options.