You have just defined some new basic data Definitions for a business process. The last column, Used, is blank. When is it populated with a Yes? 

Answer options:

A. when the Data Definitions are used in a Data Element
B. when the Business Process is published to the Unifier’s production environment
C. when the Data Definitions are assigned to users
D. when the Data Definitions have exceeded the number of times they can be assigned

B