单选题 The greatest inventor Thomas Edison said that his success should be ______ to 10% inspiration and 90% perspiration.
【正确答案】 C
【答案解析】[解析] 本题测试形近词辨析。contribute意为“贡献”；execute意为“执行，处死”；attribute意为“归功于”；devote意为“投身，献身于”。所以C选项是正确答案。