We have decided to fulfill the task in time, difficulties we may meet with.
A. no matter how
B. however
C. whatever
D. whichever
网友回答
A. no matter how
B. however
(答案→)C. whatever
D. whichever
解析：本题考查让步状语从句。该句意思是：无论我们遇到什么困难，我们都将及时完成这项任务。whatever表示无论什么的。