The correct options are
A People can form political parties against the ruling government.
B People can express their ideas and concerns to the government.
Democracy is a government of the people, by the people and for the people. In a democracy, people have certain fundamental rights like the right to speech, right to expression, right to organise movements, and the right to protest. They can raise voice against any injustice and express their concerns by different means like organising protests, movements, and writing articles.