The practice of preparing budgets for each of several future periods and revising those budgets as each period is completed,adding a new budget each period so that the budgets always cover the same number of future periods,is called:

A) Participatory budgeting.
B) Capital budgeting.
C) Balanced budgeting.
D) Continuous budgeting.
E) Primary budgeting.

The description given fits the definition of continuous budgeting. It involves creating a budget for a set number of future periods and then revising it periodically to include a new budget for the next period. This allows for proactive management of finances and ensures that the budget is always up-to-date, making it easier to adjust to changing circumstances.