Stephen Sent His Presentation File to His Colleague, Buena, and Asked

Multiple Choice

Stephen sent his presentation file to his colleague, Buena, and asked her to review it. Buena made a few changes and inserted one or two comments. What action should Stephen take to review Buena's changes and comments?

A) Open the file Buena reviewed and try to remember what his original slides looked like so he can decide if he wants to keep Buena's changes.
B) Open the file Buena reviewed and review her comments; it doesn't matter if she made any changes on the slides.
C) Use the Merge Shapes command to merge his original presentation with the file that Buena reviewed so he can see the changes Buena made.
D) Use the Compare command to merge his original presentation with the file that Buena reviewed so he can see the changes Buena made.