Select the most appropriate option to fill in blank no. 3.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. common.
The blank is filled with "common" because the term "common citizens" is a standard way of referring to everyday or ordinary people in a society.
In this context, the sentence highlights how regular individuals, using social networking sites, have been able to organize and take action against totalitarian regimes.