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题库 / Prep2008E1-SC-240
According to public health officials, in 1998 Massachusetts became the first state in which more babies were born to women over the age of thirty than under it.
than
than born
than they were
than there had been
than had been born
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DE had been不对，是同一时间的比较
C they指代前面babies 指的同一群babies 不对。
B born under it 错误修饰了baby，，只是要填上to women
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