A.
It's a blank document.
✓
B.
It's a pre-designed document that you can use to create new documents.
✓
C.
It's a tool for spell-checking.
✓
D.
It's a list of recent files.
✓
A.
To record changes made to a document by multiple users.
✓
B.
To optimize document size.
✓
D.
To create a table of contents.
✓
