An engineer must configure a /30 subnet between two routes. Which usable IP address and subnet mask combination meets this criteria?

An engineer must configure a /30 subnet between two routes. Which usable IP address and subnet mask combination meets this criteria?

A. interface e0/0 description to XX-AXXX:XXXXX ip address 10.2.1.3 255.255.255.252 B. interface e0/0 description to XX-AXXX:XXXXX ip address 192.168.1.1 255.255.255.248 C. interface e0/0 description to XX-AXXX:XXXXX ip address 172.16.1.4 255.255.255.248 D. interface e0/0 description to XX-AXXX:XXXXX ip address 209.165.201.2 225.255.255.252