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.
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Athere are now one microcomputer for every thirty-two pupils, four times as many than there were
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Bthere is now one microcomputer for every thirty-two pupils, four times as many than there were
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Cthere is now one microcomputer for every thirty-two pupils, four times as many as there were
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Devery thirty-two pupils now have one microcomputer, four times as many than there were
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Eevery thirty-two pupils now has one microcomputer, four times as many as
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正确答案: C