What can you do with the Collaboration Center in Backoffice? Note: There are 3 correct Answer to this question

What can you do with the Collaboration Center in Backoffice? Note: There are 3 correct Answer to this question
A . Create a new workflow template
B . Work on a specific task assigned by a workflow
C . Monitor a workflow by seeing the finished and current steps
D . Start a workflow by dropping items into the collaboration center
E . Assign the user to the Visible for Principal group

Answer: BCD