The correct answer is D. Capturing listeners' attention and getting them involved.
Explanation:
In speeches and communication, one of the elements that capture the listener's attention and make him/her be involved is directly addressing him/her, this occurs in the case of "If you want to reduce employee benefit costs by at least 15 percent without hurting employee morale or impacting your work environment, please stand up right now" because the use of the word "you" let every person in the audience know the speaker is personally speaking to them and moreover he would help them with an issue (reduce employee benefit costs) they might want to solve. Those, by doing this Connor is "Capturing listeners' attention and getting them involved".
