D. Alliteration is the correct answer. I'm positive.
It becomes an adverb, because if you think about it, you're adding something to the meaning of the word!
<u>Definition of:
Adverb:</u> A word or phrase modifying an adjective, verb, adverb, or word group!
Answer:
double checking info, or finding new info not listed on first source material
Explanation:
There isn't anthing pictures to help figure out the answer
