Frequent wild swings of the value of currencies will ______ the

Frequent wild swings of the value of currencies will ______ the riskiness of trade and affect international investment.
A、increase
B、decrease
C、destroy
D、adapt
【正确答案】：A
【题目解析】：Frequent wild swings of the value of currencies will increase the riskiness of trade and affect international investment.
参见教材P229。