回答下列各题： The cost is going ___21___ for just about everything，and college tuition is no exception．Ac—cordingto a nationwide survey ___22___ by the College Board’s Scholarship Service， ___23___ atmost American universities will be ___24___ 0f 9 percent higher this year overlast． The biggest increase will occur at privatecolleges．Pubhccolleges，heavily subsidized bytax funds，will also ___25___ theirtuition，but the increase will be a few percentagepoints___26___ than their privately sponsored neighbors． ___27___ a follow-up，the United Press international did their ownstudy ___28___ Massachus-setts Instituteof Technology．At M．I．T．advisors recommended ___29___ students have$8，900___30___for one year'sexpenses，including$5，300___31___ tuition，$2，685 forroom and___32___ ，$630 for personal expenses，and$285 for booksand supplies．Ten years ago thetuition ___33___ 0nly$2，150．T0 ___34___ that another way，the cost has climbed l50 percent inthe last ___35___ ．

A. down
B. up
C. away
D. off