Refer to the exhibit.

When a call is placed to 2000, phones 1 and 2 are paged. A call to 2001 pages phones 3 and 4.
What command is missing so that a call to 2002 pages all four phones?

A.
Paging group 20 21

B.
Paging group 10 20 30 40

C.
Paging group all

D.
Paging group 2000 2001 2002

E.
Paging groupephones-all