How does the Cisco Unified Communications Manager advertise dn-block 1?

Refer to the exhibit.

How does the Cisco Unified Communications Manager advertise dn-block 1?

A.
4XXX and the ToDID will 0:

B.
4XXX and the ToDID will 0:1972555

C.
4XXX

D.
4XXX and the ToDID will 0:+ 1972555

E.
19725554XXX

Explanation: