Answer:
A. Rehearse Often
Step-by-step explanation:
When storytelling you are entertaining a crowd of people. More so then naught, people look for lively interpretations without awkward skips or pauses. Showing emotion as stated in option C is a good thing as it can add life to the story and help convey the plot. Option B, making the story longer can potentially bore the crowd and drag out a already completed story line. Option D, dressing casually does not impact the storytelling or performance of the speaker whatsoever. Therefore, option A, rehearsing often to avoid conflict in delivering the story to the audience is correct.