His sunburnt face is just like that of millions of Chinese farmers, whom he has struggled the past five decades.
A. to; for
B. for; to
C. for; for
D. with; for
网友回答
A. to; for
B. for; to
(答案→)C. for; for
D. with; for
解析： 考查介词。Chinese farmers是先行词，whom he has struggled the past five decades是定语从句，不先行词代入定从，应是he has struggled for Chinese farmers; the past five decades一段时间，要加介词for。所以选C。