Question

multiple choice question
because main points are the information that you most want your audience to learn, you need to:

select them carefully
write them as questions
make them into a visual aid
underline them

Explanation:

Main points are the core information an audience should learn, so the foundational step is choosing them deliberately to ensure they align with the goal of conveying critical content. Formatting them as questions, turning them into visuals, or underlining are secondary or optional choices, but careful selection is essential.

Answer:

select them carefully