I Haven’t seen you for a long time
A would be the best answer since humans throughout history have desired, experienceed, and feared many of the same things. (i.e. love, death, loss, hope, redemption, ect.)
Figuring out the audience and purpose of your writing can help you determine the angle at which you want to approach your essay/writing. For example, if your task is to write a persuasive essay to a younger audience, it’s vital to know this information so it is understandable to the audience and serve the purpose of the prompt.