Which configuration accomplishes this task?

Router R1 must send all traffic without a matching routing-table entry to 192.168.1.1.

Which configuration accomplishes this task?
A . R1# config t
R1(config)# ip routing
R1(config)# ip route default-route 192.168.1.1
B . R1# config t
R1(config)# ip routing
R1(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.1
C . R1# config t
R1(config)# ip routing
R1(config)# ip route 192.168.1.1 0.0.0.0 0.0.0.0
D . R1# config t
R1(config)# ip routing
R1(config)# ip default-gateway 192.168.1.1