---Wow, so many books here! How can you find the one you need?
---That’s easy. The books are according to subject．
A. judged
B. associated
C. classified
D. obtained
网友回答
A. judged
B. associated
(答案→)C. classified
D. obtained
解析：本题考查动词辨析。--“这么多书，你是怎么找到你要的书的？---很简单。这些书都是按话题分类的。”classify将……分类;将……分等级。