The book is worth a second time.A. to readB. readC. readingD. being reading

问题补充：

The book is worth a second time.

A. to read

B. read

C. reading

D. being reading

答案：

A. to read

B. read

(答案→)C. reading

D. being reading

解析： be worth doing是固定用法，意思是某事值得被做，且主动结构表示被动意义。