选C
A which 引导限定性定语从句修饰banks 错误
B Clear records are important, 单复数错误; hence 和分号用一个就好
D which 同A
E the reason that ... is because... 错误
-- by 会员 Jimmyzhang2012 (2011/11/17 20:27:43)
我选C。
A选项的“of some importance to” wordy, which不可以修饰句子。
B选项的第二句中are 谓语不对。
D选项和A一样的两个错误。
E选项的the reason和because重复,错误。前几天的题好像也有。
-- by 会员 vanchaser (2011/11/17 21:02:33)