问题补充：
Are you in these story books.
A. interested. interesting
B. interested. interested.
C. interesting. interested
D. interesting. interesting
答案：
(答案→)A. interested. interesting
B. interested. interested.
C. interesting. interested
D. interesting. interesting
解析：句意：你对这些有趣的故事书感兴趣吗？这里表示某人对某物感兴趣用：be interested in sth；interesting是指物是有趣的，这里用来修饰books，故选A。
