Explanation:
Please do not use "and/or" in either formal or informal writing. In common English, the "or" is a "non-exclusive or" which means "either A or B, or A and B". When I say "I can have a banana OR I can have coffee" then I am also OK with having both. Having a banana does not prevent me from having coffee.
Wheedle is the word that describes that definition
Because people have lost common sense these days.
The answer is D, Article. An article is a written report that will always use a noun so the words like an, the, or it.