Which configuration command ensures BGP will not advertise a route until all the routers within the AS have learned about the route via an IGP?

Which configuration command ensures BGP will not advertise a route until all the routers within the AS have learned about the route via an IGP?

A.
router BGP {as-number} redistribute {IGP}

B.
router {IGP} redistribute BGP {as-number}

C.
synchronization

D.
bgp deterministic-med

E.
network {network number} mask {subnet mask}

F.
bgp dampening