Your company has an Active Directory forest. The forest includes organizational units corresponding to the following four locations.  London      Chicago      New York     Madrid  Each location has a child organizational unit named Sales. The Sales organizational unit contains all the users and computers from the sales department.  The offices in London， Chicago， and New York are connected by T1 connections. The office in Madrid is connected by a 256-Kbps ISDN connection.  You need to install an application on all the computers in the sales department.  Which two actions should you perform（）

• A、Disable the slow link detection setting in the Group Policy Object （GPO）.
• B、Configure the slow link detection threshold setting to 1，544 Kbps （T1） in the Group Policy Object GPO）.
• C、Create a Group Policy Object （GPO） named Officelnstall that assigns the application to users. Link the GPO to each Sales organizational unit.
• D、Create a Group Policy Object （GPO） named Officelnstall that assigns the application to the computers.Link the GPO to each Sales organizational unit.