Besides regional economic integration, countries may form _____ to control the production, pricing and sale of particular goods so as to seek higher and more stable prices for the relevant goods.
A、the European Community
B、the Customs Union
C、the common market
D、a commodity cartel
【正确答案】：D
【题目解析】：Besides regional economic integration, countries may form a commodity cartel to control the production, pricing and sale of particular goods so as to seek higher and more stable prices for the relevant goods.参见教材P38.39。