How is the configuration of a totally stubby area different from that of a stub area?

A.
The totally stubby area requires the no-summary command on the ABR.

B.
The totally stubby area requires the totally stubby command on the ABR.

C.
The no-summary command should be included on all routers within the totally stubby
area.

D.
The totally stubby command should be included on all routers within the totally stubby
area.

E.
The totally stubby area requires the no-summary command on the ASBR.

Explanation:
Reference:
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094a74.shtml