Concept:Pressure groups work to shape government decisions without holding power themselves.Explanation:Pressure groups are organisations that try to influence public policy and legislation.When they directly or indirectly approach lawmakers to sway their decisions, this action is called lobbying.Lobbying can involve meetings, petitions, campaigns, or providing information to decision-makers.It is a legal and common method of participation in democratic systems.The other options do not describe this process of influencing legislation.Answer:D. lobbying