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.
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.