第24题: [单项选择]Robert Spring spent 15 years ______. A. running a bookstore in Philadelphia B. writing letters to Miss Fanny Jackson C. as a forger D. as a respectable seller 参考答案:C 答案解析:[解析] 从文章第一段第一句“Robert Spring,a 19th century forger,did well in his job that he was able to make his