The correct answer is: B. Use comments
Comments are a way to add notes to a presentation. They can be used to provide feedback, ask questions, or make suggestions. Comments are recorded with the date and time they were added, and the name of the person who added them.
To add a comment, select the text you want to comment on, and then click the Comments button on the Review tab. In the Comments pane, type your comment, and then click the Insert button.
To reply to a comment, click the Reply button in the Comments pane. In the Reply box, type your reply, and then click the Insert button.
To delete a comment, select the comment, and then click the Delete button on the Review tab.
A. Use online collaboration is not the automatic way to add comments in PowerPoint 2002. Online collaboration is a way to work on a presentation with others at the same time. To use online collaboration, you need to have a Microsoft Office 365 subscription.
C. Use the notes page is not the automatic way to add comments in PowerPoint 2002. The notes page is a page that contains notes for the presenter. To add notes to the notes page, click the Notes Page button on the View tab. In the notes pane, type your notes.
D. All of the above is not the correct answer. Only option B. Use comments is the automatic way to add comments in PowerPoint 2002.