According to a 1996 survey by the National Association of College and University Business Officers, more than three times as many independent institutions of higher education charge tuition and fees of under $8,000 a year than those that charge over $16,000. answer: E A. than those that charge B. than are charging C. than to charge D. as charge E. as those charging 我觉得D对。能解释一下为什么E对吗,谢谢大家 |