Your network administrator has assigned you an IP address of 192.168.0.20 with subnet mask of 255.255.255.0.Your network is running in pure Windows 2000 domain. What else should know in order to join your computer to the Windows 2000 domain. （）

• A、 Address of DHCP server.
• B、 Address of WINS server.
• C、 Address of DNS server.
• D、 Address of default gateway