Concept:The legislature controls government finances through approval and monitoring of the budget.Explanation:Budget approval and oversight are key functions of the legislative arm of government.The legislature exercises the “power of the purse” by examining, approving, and authorising government spending.After approval, it monitors implementation to ensure public funds are used properly and for the intended purposes.This role is distinct from the executive, which implements the budget, and the judiciary, which interprets laws.Answer:D. legislative