题目内容
（请给出正确答案）
A．The author isn't an expert in economics.
B．She has a better theory about the economy.
C．She isn't sure that the author's ideas would work.
D．The author spends too much time arguing about details.
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听力原文：M: Isn't that a brand-new typewriter you're using.
W: Oh，Bill，this isn't the first time you've asked me about it.
Q: What does the woman imply？
(18)
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B．The man is a forgetful person.
C．The man can have the typewriter later.
D．The man misunderstood her.
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