When Using a Presentation Aid,there Is Always the Possibility of "Something

Multiple Choice

When using a presentation aid,there is always the possibility of "something going wrong" while you are speaking.If something does go wrong with your presentation aid,what should you do as a speaker?

A) There is nothing you can do once something goes wrong; in future speeches use presentation aids sparingly to reduce the chance of something going wrong.
B) End the speech shortly after that distraction.
C) Offer a lengthy apology for the distraction and then continue on with the speech.
D) Have backup supplies and a backup plan in case your best-laid plans go awry.