单项选择题

Which configuration is correct for a DHCP Relay Proxy?()

A. set dhcp relay 1.1.1.1 set dhcp relay 2.2.2.2 set dhcp relay
B. set dhcp relay proxy set dhcp relay 1.1.1.1 set dhcp relay 2.2.2.2
C. set dhcp relay 1.1.1.1 proxy set dhcp relay 2.2.2.2
D. set dhcp relay 1.1.1.1 set dhcp relay 2.2.2.2 proxy