It is interesting book we all like it.A. such aB. such anC. so aD. so an

问题补充：

It is interesting book ,we all like it.

A. such a

B. such an

C. so a

D. so an

答案：

A. such a

(答案→)B. such an

C. so a

D. so an

解析：句意：它是如此有趣的一本书，我们都喜欢它。such后跟名词，so后跟形容词，an interesting book一本有趣的书，是一个名词词组，故选B。