Letter D is the answer. Project scope is a planning activity where all of the needed work of the project is discussed. This means from specific goals, tasks, deadlines, and costs are being documented. It is very important to have a project scope so completing the project will push through and be successful.
This is also to avoid overspending on unnecessary things as the estimated cost to complete the project is listed. The schedule or deadline of the finished project is essential too to meet with the client’s expectations. This is to make sure that satisfaction from the clients will be obtained and will open to more project opportunities.