---Who wrote the book?---.but the book is interesting.A. I’m not sure.B. Give me a break.C

问题补充：

---Who wrote the book?---.but the book is interesting.

A. I’m not sure.

B. Give me a break.

C. I don believe it.

D. You know it.

答案：

(答案→)A. I’m not sure.

B. Give me a break.

C. I don believe it.

D. You know it.

解析：所给的四个选项的意思分别是：I’m not sure.“我不确定。”Give me a break.“让我休息一下”I don believe it.“我不相信它”You know it.“你知道它。”根据but the book is interesting.可知，本题应该选A。