It is the responsibility of all citizens to

A. Run for political office

B. Attend naturalization ceremonies

C. Pay taxes and serve on juries**

D. Join special interest groups

C. Pay taxes and serve on juries

The responsibility of all citizens includes:

1. Paying taxes: Citizens are expected to contribute to the financial system of their country by paying taxes. Taxes fund public services and infrastructures that benefit the entire society.

2. Serving on juries: Citizens may be called upon to fulfill their civic duty by serving on juries in the criminal justice system. Juries play a crucial role in deciding the guilt or innocence of individuals accused of crimes.

Therefore, the correct answer is C. Pay taxes and serve on juries.