Your network consists of a single Active Directory domain and a single network segment. All client computers are configured to receive their IP configurations automatically. You deploy two DHCP servers named Server1 and Server2. Each DHCP server has one scope. Users report IP address conflicts.You need to ensure that clients receive unique addresses.  What should you do on Server1 and Server2?（）

• A、Create a superscope. 
• B、Create a multicast scope. 
• C、Configure Network Load Balancing. 
• D、Modify the address range for the scopes on both servers.