which command or commands when attempting to resolve this problem?

Users logging into Cisco Router and Security Device Manager should be authenticated using the Cisco ISR local user database. Currently, none of the users can access Cisco Router and Security Device Manager via HTTP. You should check the configuration of which command or commands when attempting to resolve this problem?

A.
There is no ip http secure-server

B.
There is ip http authentication local

C.
There is linevty 0 5 login local

D.
There isaaa new-model