Which of the Following Is the BEST Way to Adapt

Which of the following is the BEST way to adapt body language to a presentation on a very serious subject?

A) Use choreographed movement and gesture to keep your audience focused and engaged
B) Use hand gestures to underline what your main points are
C) Reduce your movement and gestures
D) Walk up and down the aisles to enhance your credibility and power of persuasion