Final answer:
The 3C acts as a check on parliament in law-making by influencing public opinion.
Step-by-step explanation:
The 3C acts as a check on parliament in law-making by influencing public opinion. Public opinion can play a significant role in shaping legislation, as lawmakers are often responsive to the views and concerns of the public.
When public opinion is strongly opposed to a proposed law, it can put pressure on the parliament to reconsider or modify the legislation.
By mobilizing and organizing public support or opposition, the 3C group can effectively influence the outcome of the law-making process.
correct option c) By influencing public opinion