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.
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.
A.than
B.than born
C.than they were
D.than there had been
E.than had been born.
正确答案是A,我选的C,觉得答案A的more...than 后面好像的比较对象也不对等啊,一个说的是BABY,一个说的是WOMEN UNDER 30,或者是我理解错了,前面相同的部分“babaies......to woman”都被省略了?请大牛指点