The best response for completing the R.A.C.E strategy in this context is:
"Authors might want to use audio as a medium so that the audience can hear the speaker's tone of voice. For example, the tone of voice allows certain emotions to come through. This can help authors connect with their audience and best engage them in the text."
Restate: The response clearly restates the prompt by mentioning that authors might want to use audio as a medium.
Answer: It directly answers the question by indicating the importance of tone of voice and emotional conveyance.
Cite evidence: The response provides a specific example regarding tone of voice, showing how it can convey emotions.
Explain evidence: It explains how the tone of voice helps in connecting with the audience and enhancing engagement, fulfilling the explanation requirement of the R.A.C.E strategy.
This response effectively addresses all elements of the R.A.C.E strategy in a clear and concise manner.