How can a speaker vary the tone of the speech?

Aby asking the audience questions
Bby using the space around the podium
Cby making eye contact with the audience
Dby changing the inflection of the voice

Verified Answer :

308070
DBy changing the inflection of the voice.

Answer:

B. Personification is used to show that the speaker wants to reach his audience.

Explanation: As it said " let alone make my ideas come alive for the audience? I took a deep breath and introduced my topic." He is saying let alone to make my ideas come alive for the audience. He is using personification. So its B.