Which set of commands will configure summary addressing for RIPv2 on a Cisco router?

A.
R1 (config)# router ripR1 (config-router)# ip summary-address ripR1 (config-router)# autosummary

B.
R1 (config)# router ripR1 (config-router)# ip summary-address ripR1 config-router)# no autosummary

C.
R1 (config)# router ripR1 (config-router)# auto-summaryR1 (config)# interface s0/0R1 (configif)# ip summary-address rip

D.
R1 (config)# router ripR1 (config-router)# no auto-summaryR1 (config)# interface s0/0R1
(config-if)# ip summary-address rip