It’s a subcordanating conjunction
D because it includes more information than the others and is more professional
Youre answer is Paraphrase
Hope this helps :)
Answer:
They are the words and sentences that surround a word and help explain the word's meaning. They also are hugely important because their comprehension and effective usage leads to academic success. And they can increase a person's vocabulary, reading comprehension, and make the person a better reader.
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Answer: I can't really answer because there is no answers to choose from
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