According to Central Place theory, which one of the following statements most aptly described the distribution area of a commodity around a central place ?

• A. The area which supports the threshold population for the commodity.
• B. The area in which the central place supplies more of the commodity than does any other central place.
• C. The area bounded by the line joining the points of maximum distance up to which the commodity is supplied by the central palce.
• D. The area bounded by the line joining the points of maximum distance from which people come to the central place to buy the commodity.