I learned from my book that it was nothing but ten years of hard work that his success in business.
A. led to
B. looked up
C. referred to
D. got through
网友回答
(答案→)A. led to
B. looked up
C. referred to
D. got through
解析：本题考查短语辨析。A导致；B查询；C参考，提及；D经历。句意：我从我的书学到了只有10年的努力导致了他生意的成功。