Definitely the answer is choice D. Rhetoric.
The definition of rhetoric is --> <span>the art of effective or persuasive speaking or writing, especially the use of figures of speech and other compositional techniques.
I hope this helps you and have a wonderful day!! :)</span>
The correct matches are as follows:
<span>1.language spoken by educated Americans
</span>idiom<span>
2.street language that coins new words and new meanings
</span>slang
<span>
3.regional variation of the national language
</span>dialect<span>
4.language of a skill, trade, or profession
</span>standard English<span>
5.phrases and expressions unique to a language
</span>jargon<span>
6.sounds and sound patterns that are meaningful to people from the same culture
</span>language<span>
7.graphic representation of sounds
</span>writing<span>
8.language spoken by a child learning to talk
</span>ungrammatical speech<span>
</span>
Answer:
"As a scholar, I am most interested in the academic uses of the survey findings."
Explanation:
It uses confidence and grammar just as you should when writing academically.