瓦斯和煤尘同时存在时，瓦斯浓度越高，煤尘爆炸的下限越高。
参考答案：对
Party A has entered a currency forward contract to purchase 10 million at an exchange rate of $ 0.98 per [*]. At settlement, the exchange rate is $ 0.97 per euro. Party A will:（）
A. make a payment of $100000.
B. receive a payment of $100000.
C. make a payment of $103090.
( ) .
A．
B．
C．
D．
