Which of the Following Statements Holds True for Demand Management

Which of the following statements holds true for demand management?

A) It refers to the process of forecasting, pricing, and customer segmentation.
B) It refers to the process of purchasing, supplier selection, and supplier-base rationalization.
C) It refers to the process of managing raw materials and finished goods.
D) It refers to the process of aggregate planning, workforce scheduling, and factory operations.
E) It refers to the process of establishing the facility location and formulating a distribution strategy.