A. because dialogur is more then two people talking and without the lines they wouldn't know what to say.
Choice B :) Titles are supposed to be italicized when referring to longer works or in quotations when referring to shorter works
Answer:
Until and than I believe, if not that then high and arrived
I'd sat the answer is 'all of the above'. Because 'history of the relationship' is important - you won't greet a person you've just met the same way you'd great your best friend. "Context' is also important, because you won't speak the same way at a gala, or at a casual meeting with your friends. "Type of the conversation desired" is also relevant, because the way you greet someone will lead the course of your conversation.
Surreptitiously, as described by Merriam-Webster, is "done, made, or acquired by stealth." Essentially, it's doing something sneakily or in a stealthy way.