Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A. There are others who claim that they have never been so well connected.
B. However, such social networking sites help us to keep in touch with old friends or make new ones.
C. Whether or not Facebook friendships are lasting is debatable.
D. Some people believe that real friendships are collapsing in modern times.