He was determined to hold on to this job difficulties he might run into.
A. whatever
B. however
C. no matter how
D. no matter
网友回答
(答案→)A. whatever
B. however
C. no matter how
D. no matter
解析： 句意：他决定无论他会遇到什么困难，他都决定坚持工作。这里用whatever引导让步状语从句，相当于no matter what修饰difficulty，no matter how/however是修饰形容词或副词，所以选A。