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单项选择题

Passage Three

A．the higher return, the more the risk
B．the older the person gets, the less risk he should face
C．the greater the asset portfolio, the higher the return
D．investors should speak to their investment advisor
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单项选择题A．3%.B．5%.C．11%.D．None.

A．3%.
B．5%.
C．11%.
D．None.

单项选择题If you are a put seller, you have to ______ in order to offset the original deal.

A．buy a put at a lower strike price and earlier expiration
B．sell a put with the same strike price and expiration
C．buy a put with the same strike price and expiration
D．sell a put at a higher strike price and earlier expiration