问题
选择题
She still failed in the final exam___hard she worked.
A. whatever B wherever C. however D. whenever
答案
C
题目分析：句意：无论她多么努力的学习，期末考试仍然不及格。whatever 无论什么； wherever 无论哪里； however无论如何；whenever无论何时。修饰副词hard应用however。故选C。