-----How do you find the book?----.A. Great.B. With the help of my brother.C. By lookin

问题补充：

-----How do you find the book? ------.

A. Great.

B. With the help of my brother.

C. By looking around.

D. By chance.

答案：

A. Great.

B. With the help of my brother.

C. By looking around.

(答案→)D. By chance.

解析：句意：---你是怎么找到书的？---偶然发现的。A. Great.太棒了。 B. With the help of my brother.在我弟弟的帮助下； C. By looking around.通过到处寻找；D.By chance.偶然，意外地。根据句意选D。