可转换证券实贡上嵌入了普通股票的看跌期权，正是从这个意义上说，我们将其列为期权类衍生产品。（）
参考答案：对
―Excuse me. Which is the way to the museum?
―Sorry, I don’t know. This is my _____ time here.
A．first
B．second
C．two
D．one
