What is the purpose of the compound document generation function? Note: There are 3correct answers to this question.

What is the purpose of the compound document generation function? Note: There are 3correct answers to this question.
A . Merge different contents from a project into one document.
B. Merge different contents from a group into one document.
C. Merge different contents from a workarea into one document.
D. Merge SAP Enable Now contents and external contents into one document.
E. Merge different contents from a book into one document.

Answer: A,B,E