Your network contains an Active Directory forest. The forest contains two domains named contoso.com and eu.contoso.com.You install a Network Policy Server (NPS) named Server1 in the contoso.com domain.You need to ensure that Server1 can read the dial-in properties of the user accounts in the eu.contoso.com domain.What should you do？（）

• A、In the contoso.com domain, add Server1 to the RAS and IAS Servers group.
• B、In the contoso.com domain, add Server1 to the Windows Authorization Access group.
• C、In the eu.contoso.com domain, add Server1 to the RAS and IAS Servers group.
• D、In the eu.contoso.com domain, add Server1 to the Windows Authorization Access group.