Which commands would create this EIGRP configuration from show ip route ?

[PlAwAnSaI]

Refer to the exhibit. R1 accesses the Internet using E0/0. You have been asked to configure R1 so that a default route is generated to its downstream devices (191.0.0.1 and 192.0.0.1). Which commands would create this configuration ?

A.
router eigrp 190
redistribute static
!
ip route 0.0.0.0 0.0.0.0 Null0
B. ip default-network 20.0.0.0
C.
router eigrp 190
redistribute static
!
ip route 0.0.0.0 255.255.255.255 Null0
D. ip default-network 20.20.20.0