A workstation is added to a newly created subnet using 192.168.100.0/24. A DHCP server is available on subnet 192.168.101.0/24. The user is unable to lease an address from the DHCP server. Which of the following would BEST resolve the problem?（）

• A、Assign the workstation a static IP address.
• B、Add a second DHCP server to the 192.168.101.0/24 subnet.
• C、Add a DHCP relay to the 192.168.100.0/24 subnet.
• D、Add a DHCP server to the 192.168.100.0/24 subnet