According to the text, most great thinkers and artists______. A．were productive even in their later years B．were most successful before the age of 30 C．made contributions regardless of age D．contributed the most before old age
A. A．were B.were C.made D.contributed
【参考答案】
D 属事实细节题。题目中的关键词greatthinkersandartists出现在第一段第二句：一些伟大的思想......