This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make a beautiful and efficient ppt
Write the outline of your ppt on papers at first, the more detailed the better.
Write your outline as one title one page.
Open ppt but don't use any templates.

pick from the following. (A). Skip one, and go back and repeat these steps on the next page. Do this until you have a comprehensive draft, sometimes it works better to go back and sketch out more detailed sub-steps once more.; (B). Write about ten pages, which should be about 24 pages, depending on the type of paper you are including. Write about the details of your argument, or about a key theorem.; (C). Write out or copy the content that is suitable for the titles and revise the words. Make the content of each page as a point with " project number ".; (D). Simply put ideas in them step by step. Make only one outline, and some ideas in the edited script.;
The answer is:
(C).