which no-summaries is configured?

Which statement describes an OSPF area for which no-summaries is configured?

A.
The ABR does not generate any Summary (Type 3) LSAs towards the backbone.

B.
The ABR does not generate any Summary (Type 3) LSAs for other OSPF areas.

C.
The area does not summarize external routes generated within its area.

D.
The area does not accept or create summaries of any kind.