. Reading books is very important for developing the students’ understanding of the world, ?
A. is it
B. are they
C. isn’t it
D. aren’t they
网友回答
A. is it
B. are they
(答案→)C. isn’t it
D. aren’t they
解析：本题考查的是反义疑问句，前句是肯定，后句应该用否定，结构为否定结构+人称代词，本题中is的否定结构为isn’t，代替看书用it，故本题选C。