Why do citizens of a democratic nation have the responsibility of staying informed? how does this responsibility them participate in the election process?

They have the responsibility of being informed because otherwise, they would not be aware of their most favourable candidate, and could end up electing someone that they would be against if they had the knowledge needed to form an opinion. This helps them participate in the election process by urging them to vote for their candidate, ensuring that their opinion is heard.

Ithink its c) the conditions in the factory have never been questioned by the employee.