Which of the Following Needs to Be Followed While Using

Which of the following needs to be followed while using notes and visuals in a presentation?

A) Using short phrases and bullets in notes to cover the maximum information
B) Looking at notes frequently to avoid going blank or forgetting points
C) Directing most of one's gaze at the screen instead of the audience
D) Holding note cards very low so that the audience cannot view them
E) Having notes that are complete enough which help when one goes blank