经典题 section21的 3. Currency swap部分的选择题3.1
选项D: an Asian call option on GBP against USD
这句话是 long Asian call option on (GBP/ USD) ,还是 long Asian call option on (USD/ GBP)?
选项 C:a barrier put option to sell GBP against USD = long barrier put on (USD/GBP)?