Out of the following choices given, the correct in regard to the use of formal English is that contractions are considered acceptable in any document. Some contractions that are used often in the language are can't, don't, wouldn't and isn't. The correct answer is D.
Answer:
coordinating conjunction is a word that joins two elements of equal grammatical rank and syntactic importance. They can join two verbs, two nouns, two adjectives, two phrases, or two independent clauses. The seven coordinating conjunctions are for, and, nor, but, or, yet, and so.