What command can be used to add a new newsgroup called Certkiller that allows posting?

What command can be used to add a new newsgroup called Certkiller that allows posting?

A.
ctlinnd newgroup Certkiller n news

B.
ctlinnd newgroup Certkiller y news

C.
ctlinnd addgroup Certkiller y news

D.
ctlinnd newgroup Certkiller +rw news

E.
ctlinnd addgroup Certkiller +rw news