题目内容：
The J curve effect describes:
A.the continuous long-term inverse relationship between a country's current account balance and the country's growth in gross national product.
B.the short-run tendency for a country's balance of trade to deteriorate even while its currency is depreciating.
C.the tendency for exporters to initially reduce the price of goods when their own currency appreciates.
D.the reaction of a country's currency to initially depreciate after the country's inflation rate declines.
参考答案：