Which command can you enter to route all traffic that is destined for 192.168.0.0/20 to a specific interface?

Which command can you enter to route all traffic that is destined for 192.168.0.0/20 to a specific interface?
A . router(config)#ip route 192.168.0.0 255.255.240.0 GigabitEthernet0/1
B . router(config)#ip route 0.0.0.0 255.255.255.0 GigabitEthernet0/1
C . router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1
D . router(config)#ip route 192.168.0.0 255.255.255.0 GigabitEthernet0/1

Answer: A