单选题 An analyst does research about derivative products. Which ofthe following will most likely decrease in value if the price of the underlying asset increases in value?
A. A long position in put contract.
B. A long position in future contract.
C. A long position in call contract.

【正确答案】 A
【答案解析】[解析] 本题考查基本定义。关于期货合约多头,如果标的资产价格上升,其价值会增加。看跌期权的多头会由于标的资产价格的上升而价值降低,看涨期权的多头则会由于标的资产价格的上升而价值增加。