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单选题英语四级

2010-06-12

What do we learn about Marilyn and Randy Nolen?

A．They thought they were an example of successful fertility treatment

B．Not until they reached middle age did they think of having children

C．Not until they had the twins did they feel they had formed a family

D．They believed that children born of older parents would be smarter

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参考答案

C

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