The abreviation after a word in a dictionary tell you what part of speech the word is. Such as noun (n), pronoun (pron), adjective (adj), adverb (adv), verb (vb), conjunction (conj), preposition (prep), or interjection (interj).
The answer is b because it gives both takes on the topic in hand.
For a book, play, or movie it means conversation between two or more people.
D. He tells the judge to ask for any reward and he shall have it.
Susan would owe super video $27.00.
Hope this helps!