Read the following sentence.
Social media are fun and more efficient than traditional
ways of communicating. But when we socialize with
computers, is something lost?
What would most naturally come next in this argument?
A. A summary of traditional means of socializing, such as parties
B. An argument that social media are ultimately negative
C. An explanation of "social media" and which sites offer them
D. A proposal that social media should be banned in schools