89. 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 micro-computer, four times as many than there were (E) every thirty-two pupils now has one microcom-puter, four times as many as 看上去最正确的是C. 但我有个问题:为什么用four times as many as there were? 依我理解,这里作比较的应该是microcomputer的拥有率,那后一个there到底指代什么,应该用单数还是复数? 请各位NN指教~
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