What Is an Advantage of Collaboratively Creating a Document in a Shared

What is an advantage of collaboratively creating a document in a shared workspace rather than working collaboratively on a document via email?

A) A shared workspace will create an archive of all the changes made by all team members.
B) A shared workspace ensures that only one person can read a document at a time.
C) A shared workspace will create backup files once per day.
D) A shared workspace ensures that only one format of a file will be available.