The second form of regional economic is the ______ that goes a step further by adopting the same trade policy for all the members toward countries outside their organization in addition to abolishing trade barriers among themselves.
A、the free trade area
B、the Customs Union
C、the common market
D、the commodity cartel
【正确答案】：B
【题目解析】：The second form is the Customs Union that goes a step further by adopting the same trade policy for all the members toward countries outside their organization in addition to abolishing trade barriers among themselves.参见教材P35。
