Answer:
C-paying their federal income taxes on time each year.
Explanation:
Responsible citizen can be defined as the acts performed by an individual or group of people of their own free will.
In a democratic society, a responsible citizen could best participate in serving their community by paying their federal income taxes on time each year.
Hence, a responsible citizen always strive to contribute freely to the common good of his or her society.
When a citizen pay his or her tax regularly and honestly to local, state and federal authorities, they are being a responsible citizen because such funds are one of the most commonly used source of generating revenue by a government.
<em>Additionally, other roles expected of a responsible citizen are serving in the military if required, serve on a jury and obey laws in a society</em>.