A logistics chain may benefit from adding warehouses in which of the following instances?
选项：

A:When small-scale customers require fast, frequent shipments that are more readily accommodated by a decentralized system of warehouses, decentralized system of warehouses
B:When the manufacturer is planning on adding a new product that is bulky
C:When land in warehouse districts is at its lowest price per square foot or meter
D:When a large retailer places sizable orders for delivery throughout the country