I wonderit is worth. A. that readingB. if readingC. that to readD. whether to read

问题补充：

I wonderit is worth.

A. that, reading

B. if, reading

C. that, to read

D. whether, to read

答案：

A. that, reading

(答案→)B. if, reading

C. that, to read

D. whether, to read

解析：本题的含义是我想知道它是否值得阅读，动词后一般疑问句作宾语，通常用if

或whether引导，值得做某事通常写成be worth doing sth，故需B。