Answer:
it would be great pity if he should have
Explanation:
I would have to say A woulod be the best choice.
Out of the options up there, some decisions that are helpful to make before you give an oral presentation is to make note cards. These will help you stay on track and help you if you forget what you were talking about. You do not want to do the other options because those are last minutes changes and you might forget you added them and say what you previously had.
