Which application and action are accessed to add one or more values to the default Work Type list?

Which application and action are accessed to add one or more values to the default Work Type list?

A.
Domains; add more values in the WORKTYPE domain

B.
Application Designer; add more values in the LOOKUPS.xml

C.
Database Configuration; add more values in the Work Type value list

D.
Organizations; add more values in the Work Type list under the Work Order Options