【单选题】TRARE allows nations to consume beyond their maximum domestic production possibility curve. There is an uneven distribution of natural, human and capital resources among nations. Therefore 1._________...
A.
countries need to - or choose to import at least some goods and services
B.
different countries have comparative advantages on different products
C.
exports are also more than just an outlet for “ excess ” production
D.
it has the capability of producing the goods or supplying the services
E.
it comes closer to being self-sufficient than most other countries
F.
sell goods or services to other countries at prices higher than the prices