Reading is fun and helps you know about the worldA. many B. lotsC. a lotD. a lot of

问题补充：

Reading is fun and helps you know about the world

A. many

B. lots

C. a lot

D. a lot of

答案：

A. many

B. lots

(答案→)C. a lot

D. a lot of

解析：句意：阅读很有趣，有助于你了解很多关于世界上的事情。a lot为副词短语修饰动词know；many和a lot of都为形容词短语，修饰名词；故选C。