单选题 By investing wisely she accumulated a lot of books.
【正确答案】 C
【答案解析】[解析] 本句意思:她投资精明,积累了一笔财富。accumulate意为“积累,积聚”,与collect(收集,积聚)意思相近。increase增加;spread展开,蔓延;grow成长,发育。