Advances in mobile techno...

Câu hỏi: Advances in mobile technology and social networking websites mean we spend more time online than ever before. If Facebook were a country, it would be the third largest in the world by population  (The  Economist,  2010).  It is (25)   not surprising that so many psychologists, sociologists, and others are eager to give their thoughts on how this is impacting negatively on our society.

A. while

B. however

C. despite

D. therefore