What is the benefit of having different kinds of audiences during a rehearsal?

Excerpt from marsupials carole jenkins they are basically very timid animals and 5 exscape from their enemies by jumping away on their strong and powerful hind legs. look at the underlined section labelled 5. there may be a mistake in punctuation, capitalization, or spelling. if you find a mistake choose the answer that corrects the mistake. if there is no mistake, choose ‘correct as is.’ a) correct as is. b) escape from their enemies by jumping away c) exscape from there enemies by jumping away d) exscape from their enemie’s by jumping away