Which of the Following Is Not a Key Step in Logical

Which of the following is not a key step in logical database modeling and design?

A) Combine normalized data requirements from all user interfaces into one consolidated logical database model.
B) Compare the consolidated logical database design with the translated E-R model and produce,through view integration,one final logical database design for the application.
C) Model how data flow through an information system,the relationships among the data flows,and how data come to be stored at specific locations.
D) Translate the conceptual E-R data model for the application into normalized data requirements.