The answer is A: direct questions to the audience to encourage participation.
There are many ways that the speaker uses to demonstrate his or her interest and interation with the audience such as eye-contact, tone of voice etc. However, <em>directing questions is the most effective way to involve the audience</em> which helps them feel <em>more than mere spectators</em>, <em>specially if is allowed time for them to answer followed by some recognition for their contribution.</em>
Yes, It is absolutely used correctly.
Occurs that he will never see that person again throughout eternity, either in the flesh or in the hereafter. ... The man is in such sadness, that the repeating words of the Raven, ... What does the phrase "nevermore" mean in "The Raven"?
D. Romeo, why do you have to be a Montague
She is upset that her love, Romeo is a Montague. And so she is questioning why Romeo had to be Romeo Montague. She is wondering why he couldn't be instead, have some other name and family. Almost frustrated over the question. Why did he have to be in the rival family? Why did he have to be Romeo?