Sometimes People Will Comment That It Is a "Small World

Multiple Choice

Sometimes people will comment that it is a "small world" when they coincidentally meet the friend of a friend. Research into the "small world problem" demonstrates that

A) networks do not reach as far as was believed in the past.
B) employment agencies are more effective than networks at directing people toward jobs.
C) social networking is a thing of the past; it is now out of date.
D) networks make the world seem a lot smaller than many might think.