You have a DHCP server that runs Windows Server 2008 R2. The DHCP server has two network connections named LAN1 and LAN2.You need to prevent the DHCP server from responding to DHCP client requests on LAN2. The server must continue to respond to non-DHCP client requests on LAN2. What should you do？（）

A. From the DHCP snap-in, modify the bindings to associate only LAN1 with the DHCP service.
B. From the DHCP snap-in, create a new multicast scope.
C. From the properties of the LAN1 network connection, set the metric value to 1.
D. From the properties of the LAN2 network connection, set the metric value to 1.