Foreign trade the of goods between nations takes place for many reasons.A. exchangeB. b

问题补充：

Foreign trade, the of goods between nations, takes place for many reasons.

A. exchange

B. bargain

C. production

D. business

答案：

(答案→)A. exchange

B. bargain

C. production

D. business

解析：考察名词词义辨析。A交换；B便宜货，协议；C生产，产量；D生意；句意：对外贸易，也就是国家之间的货物交换，这样做有很多的理由。根据句意说明A正确。