当市场汇率上升高于期权协定价格时，购买外汇期权者将履行期权合约。（）
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Questions 9 to 12 are based on the conversation you have just heard.Question 9
A. He attended a competition and won.
B. He had been playing a game all night.
C. He had been preparing for his math test.
D. He studied the whole night without sleep.
Question 10
A. Because she forgot about the test.
Because she went to see her boyfriend.
C. Because she forgot to set her alarm clock.
D. Because she was so tired that she overslept.
Question 11
A. Because she didn’t have a healthy lifestyle.
Because she got a very low grade.
C. Because she didn’t spend much time studying.
D. Because she spent too much time with her boyfriend.
Question 12
A. To buy a new alarm clock.
B. To take effective study breaks.
C. To study for the big test on Friday.
D. To try his best to stop playing games.
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