Which of the following recipes will append emails from “root” to the “rootmails” mailbox?

A.
:0c: * ^From.*root rootmails

B.
:0c: $From=$root rootmails

C.
:0c: * ^From=root rootmails

D.
:0c: rootmails * ^From.*root

E.
:0c: * ^From=*root rootmails