Given the question: Read the article and select the best answer. Article: Ask a group of elderly people what it was about their lives that made them happiest overall, and they'll probably mention some warm relationships with family and friends. If you're satisfied with your social life, according to psychologists, you tend to be satisfied with life in general. From the point of my 50s, I'd say that sounds about right. Some of my happiest moments are the ones I spend with my husband, a few close relatives, and a handful of very good friends who know me well and like me anyway. But the more I read about how social media are interfering with good old-fashioned friendship, creating virtual bonds that can't quite take the place of real ones, the more I wonder just how today's 20-somethings will look back on their own lives when they're my age. After all, much crucial relationship building work is done in the 20s. According to research by the late Bernice Neugarten of the University of Chicago, who helped launch the academic study of human development, people choose most of their adult relationships, both friends and lovers, between the ages of 22 and 28. The friends we make in our 20s are not only best friends forever; they're also our first truly chosen friends. And choosing how to commit to these friendships is an essential psychological task of the 20s. But with so much of friendship in this age group now being developed online, an essential question is what the effect of that interaction is. A study, conducted in 2010 by Craig Watkins and Erin Lee of the University of Texas at Austin, investigated the Facebook habits of 776 young people between the ages of 18 and 35. "Whether it is a wall post, a comment, or a photo," they wrote, "young people's engagement with Facebook is driven, primarily, by a desire to stay connected to and involved in the lives of friends who live close by, far away, or have just entered into their lives." This kind of constant contact can be efficient, but it can also be upsetting. For one thing, it adds a new layer of concern to a young person's... Question: What was the aim of the study conducted by Craig Watkins and Erin Lee? Options: A: To know about the 776 young people's Facebook habits. B: To find out how social media affect real-world social life. C: To help young people stay connected to the lives of friends. D: To investigate what kind of people prefer online interactions.
The answer is:
B