Answer:
I belive it is A) an article in a research journal examining the effects on the body Xylitol
Explanation:
It sounds like the most creditable source
Identify specific features
???
Is has a very important role, meaning it's a main verb. Is, is very valuable to this statement. Say you replace the is- "he was a smart player".
Is= Main Verb.
He divides the dog team.
Its A
