Answer:
The answer is a, c and e.
Explanation:
When the narrator emphasizes keywords, good listeners will benefit from focusing on the relevant content which is helpful for a better understanding. When the narrator pauses for effect, the listeners get the benefit of punctuation and other formatting as if they are reading a speech. pausing also helps listeners to keep up with the speaker and get time to reflect on what is being said. Appropriate sound effects express a mood or feeling.