Which type of OSPF area restricts external routes from other areas but allows external routes to be flooded by ASBRs within its own area?

Which type of OSPF area restricts external routes from other areas but allows external routes to be flooded by ASBRs within its own area?

A.
not-so-stubby area

B.
backbone area

C.
stub area with no-summaries configured

D.
stub area