大全22,谢谢

1.                             A recent national study of the public schools shows that there are now one microcomputer for every thirty-two pupils, four times as many than there were four years ago.

(A) there are now one microcomputer for every thirty-two pupils, four times as many than there were

(B) there is now one microcomputer for every thirty-two pupils, four times as many than there were

(C) there is now one microcomputer for every thirty-two pupils, four times as many as there were

(D) every thirty-two pupils now have one microcomputer, four times as many than there were（C）


(E) every thirty-two pupils now has one microcomputer, four times as many as


为什么选择C的there be形式呢,不是很忌讳这样的形式么?是不是因为as many as 平行结构好于E的表达??